Number To Base64 Consonants

to64cons.js

var b64c = "A B C D E F G H I J K L M N O P Q R S T U V W X Y Z a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9 + /".split(" ");

function cc(number, consonants){
  var len = consonants.length,
    _res = "",
    _que;

  while(number>=0){
    _que = number%len;
    _res = consonants[_que] + _res;
    number = (number-_que)/len-1;
  }
  return _res;
}

console.log( cc(20002013200, b64c) ); // output: RnMm/Q