Q: What is the negative version of the number 215,406,665?
A: -215,406,665
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:
| 215,406,663 | 215,406,664 | 215,406,666 | 215,406,667 |
| -215,406,663 | -215,406,664 | -215,406,666 | -215,406,667 |