Q: What is the negative version of the number 251,813,561?
A: -251,813,561
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:
| 251,813,559 | 251,813,560 | 251,813,562 | 251,813,563 |
| -251,813,559 | -251,813,560 | -251,813,562 | -251,813,563 |