Convert Public Key to Decimal

How Can I Convert a Public key Like this to a Convert Public Key to Decimal Number?  I can see it in Hex but not the actual Number itself.

I am doing this for the math, an experiment if you will?

-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1.2.2 (MingW32)
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=XdvF
-----END PGP PUBLIC KEY BLOCK-----