code: public static String abbreviateInt(Number number, int decPlaces) {
  		if (number == null) {
  			return "";
  		}
  		String abbrevn = number.toString();
  		// 2 decimal places => 100, 3 => 1000, etc
  		decPlaces = (int) Math.pow(10, decPlaces);
  		// Enumerate number abbreviations
  		String[] abbrev = {"K", "M", "B", "T"};
  		boolean done = false;
  		// Go through the array backwards, so we do the largest first
  		for (int i = abbrev.length - 1; i >= 0 && !done; i--) {
  			// Convert array index to "1000", "1000000", etc
  			int size = (int) Math.pow(10, (double) (i + 1) * 3);
  			// If the number is bigger or equal do the abbreviation
  			if (size <= number.intValue()) {
  				// Here, we multiply by decPlaces, round, and then divide by decPlaces.
  				// This gives us nice rounding to a particular decimal place.
  				number = Math.round(number.intValue() * decPlaces / (float) size) / decPlaces;
  				// Add the letter for the abbreviation
  				abbrevn = number + abbrev[i];
  				// We are done... stop
  				done = true;
  			}
  		}
  		return abbrevn;
  	}
docs: Abbreviates an integer by adding a letter suffix at the end.
  E.g. "M" for millions, "K" for thousands, etc.
  @param number a big integer
  @param decPlaces decimal places
  @return the rounded integer as a string