<?php
$numero = '92094587409459994010212089721';
if (bcmod($numero, '2') == 0) { echo "$numero é par!\n";
}
else {
echo "$numero é impar!\n";
}
PD9waHAKCiRudW1lcm8gPSAnOTIwOTQ1ODc0MDk0NTk5OTQwMTAyMTIwODk3MjEnOwoKaWYgKGJjbW9kKCRudW1lcm8sICcyJykgPT0gMCkgewogIGVjaG8gIiRudW1lcm8gw6kgcGFyIVxuIjsKfSAKZWxzZSB7CiAgZWNobyAiJG51bWVybyDDqSBpbXBhciFcbiI7Cn0=