perl -e'
use strict;
my $bina;
my $count;
my $bits = ~(64);

while ($bits) 
{ 
  prbit($bits);
  $bits >>= 1;
  $count++;
}

sub prbit
{ 
   my $bi=shift;
   $bina.=($bi%2)? "0":"1";
}

$bina=reverse($bina);
print "$bina\n$count bit words are being used.\n";'
__OUTPUTS__
00000000000000000000000001000000
32 bit words are being used.