// what we're working with
var characterList = 'acdegilmnoprstuw';

// what we're going for
var theHashWeWereLookingFor = 956446786872726;

var theMagicString = '';
//Now reverse engineer
while (theHashWeWereLookingFor > 7 ) {
	var counter = 0;
	while (counter < characterList.length) {
		if ((theHashWeWereLookingFor - counter) % 37 === 0) {
			//Add character to the solution
			theMagicString = (characterList[counter]) + theMagicString;
			break;
		}
		counter ++;
	}

	theHashWeWereLookingFor = (theHashWeWereLookingFor - counter) / 37;
}

//This the solution we were looking for
//in just 50ms
console.log(theMagicString);