Andrew Brown said:
> searching for "barns in a square parsec" will get you 9.5214226
> × 10^60 barns, but the winner for "largest power of 10"
> was "mass of the sun in electron volts" which gets you
> 1.11570242 × 10^66 electron volts.

Perhaps it's cheating, but how about:

"cubic parsec in cubic angstroms"

which yields:

1 cubic Parsec = 2.93800656 × 10^79 cubic angstroms

>> Beer this Thursday?
>
> aye.

Schweet.  I'll try to make it.

-- 
-Jon