Q: What is the negative version of the number 51,821,142?
A: -51,821,142
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:
| 51,821,140 | 51,821,141 | 51,821,143 | 51,821,144 |
| -51,821,140 | -51,821,141 | -51,821,143 | -51,821,144 |