Nuh on Nostr: Another compromise might be to stick to the convention of writing the symbol first, ...

Another compromise might be to stick to the convention of writing the symbol first, but either go with n₿10 or ₿10n ... The later looks like integer literals and BigInt, which might be good or bad, not sure. But I would say it is not easy to miss so people can learn it quickly as an alternative to decimals.