The integer's capacity just does not fit your purposes.

Though as a workaround you could use strings.

[![enter image description here][2]][2]

Attaching my file with the node setup:[<img src="https://blend-exchange.com/embedImage.png?bid=B3ZrnERy" />](https://blend-exchange.com/b/B3ZrnERy/)
(made with blender ver. 4.0.2)
___
  [1]: https://i.sstatic.net/oUsin.png
  [2]: https://i.sstatic.net/hJ97N.png