Usable Memory shown number is strange

### Custom Node Testing

- [x] I have tried disabling custom nodes and the issue persists (see [how to disable custom nodes](https://docs.comfy.org/troubleshooting/custom-node-issues#step-1%3A-test-with-all-custom-nodes-disabled) if you need help)

### Expected Behavior

The number should be in a more readable format.

### Actual Behavior

### Steps to Reproduce

Not sure if that is a bug. But the number shown is a bit strange.
But image generation still worked as expected.

### Debug Logs

```powershell
none
```

### Other

_No response_