Q: What is the negative version of the number 81,636,142?
A: -81,636,142
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:
| 81,636,140 | 81,636,141 | 81,636,143 | 81,636,144 |
| -81,636,140 | -81,636,141 | -81,636,143 | -81,636,144 |