print 'deadbeef';;
deadbeef

print '0x'.'deadbeef';;
0xdeadbeef

print 0+ '0x'.'deadbeef';;
Argument "0x" isn't numeric in addition (+)
0deadbeef

print hex 'deadbeef';;
3735928559

print '77777777';;
77777777

print '0'.'77777777';;
077777777

print 0+'0'.'77777777';;
077777777

print oct '77777777';;
16777215