Fix clippy::unreadable_literal

[SchahinRohani]

How Has This Been Tested?

bazel test ...

Checklist

• Updated documentation if needed
• Tests added/amended
• bazel test //... passes locally
• PR is contained in a single commit, using git amend see some docs

---

This change is 

[aaronmondal]

Reviewed 3 of 3 files at r1, all commit messages.
Reviewable status: complete! 1 of 1 LGTMs obtained, and all files reviewed

[aaronmondal]

Reviewed 2 of 2 files at r2, all commit messages.
Reviewable status: complete! 1 of 1 LGTMs obtained, and all files reviewed

[adam-singer]

Reviewed 1 of 3 files at r1, 2 of 2 files at r2, all commit messages.
Reviewable status: complete! 2 of 1 LGTMs obtained, and all files reviewed