perl -MMath::BigInt -le '
 $i=new Math::BigInt "4294967296";
 $j=new Math::BigInt "4294967295";
 print $i->as_hex();
 print $j->as_hex();
 print $i->band($j)->as_hex()'

##</code><code>##


0x100000000
0xffffffff
0x0