code: public Duration dividedBy(long divisor) {
          if (divisor == 0) {
              throw new ArithmeticException("Cannot divide by zero");
          }
          if (divisor == 1) {
              return this;
          }
          return create(toSeconds().divide(BigDecimal.valueOf(divisor), RoundingMode.DOWN));
       }
docs: Returns a copy of this duration divided by the specified value.
  <p>
  This instance is immutable and unaffected by this method call.
  
  @param divisor  the value to divide the duration by, positive or negative, not zero
  @return a {@code Duration} based on this duration divided by the specified divisor, not null
  @throws ArithmeticException if the divisor is zero or if numeric overflow occurs