Q: What is the negative version of the number 72,181,509?
A: -72,181,509
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 72,181,507 | 72,181,508 | 72,181,510 | 72,181,511 |
| -72,181,507 | -72,181,508 | -72,181,510 | -72,181,511 |