Q: What is the negative version of the number 18,431,780?
A: -18,431,780
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:
| 18,431,778 | 18,431,779 | 18,431,781 | 18,431,782 |
| -18,431,778 | -18,431,779 | -18,431,781 | -18,431,782 |