code: public static String int2msg(final int number) {
      return number + " (0x" + Long.toHexString((long) number & 0xFFFFFFFFL).toUpperCase(Locale.ENGLISH) + ')';
    }
docs: Convert an integer number into human readable hexadecimal format.
  
  @param number a number to be converted
  @return a string with human readable hexadecimal number representation