Q: What is the negative version of the number 18,213,811?
A: -18,213,811
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:
| 18,213,809 | 18,213,810 | 18,213,812 | 18,213,813 |
| -18,213,809 | -18,213,810 | -18,213,812 | -18,213,813 |