SELECT of pseudo hex value gives unexpected result

Hi,

I found this in an SQL-injection attempt today:
union select 0x5e73266725,0x5e73266725[,...],0x5e73266725;

Tried
SELECT 0x5e73266725;

and received:
-[ RECORD 1 ]--
x5e73266725 | 0

That was not what I expected... is this expected/documented behaviour?

Thx in advance!
--
Gunnar "Nick" Bluth
RHCE/SCLA

Mobil +49 172 8853339
Email: gunnar(dot)bluth(at)pro-open(dot)de
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