/**
* Returns the N-th digit from the right for a BigInt.
*
* @param {bigint} number - The input integer.
* @param {number} position - The digit position (1-based).
* @returns {number} The extracted digit.
*/
function getDigitFromRightBigInt(number, position) {
if (!Number.isInteger(position) || position < 1) {
throw new RangeError("Position must be a positive integer.");
}
const divisor = 10n ** BigInt(position - 1);
return Number((BigInt(number >= 0n ? number : -number) / divisor) % 10n);
}
// Example usage
console.log(getDigitFromRightBigInt(18092n, 3));
console.log(getDigitFromRightBigInt(180927345162343n, 1));
console.log(getDigitFromRightBigInt(180927345162341n, 7));
console.log(getDigitFromRightBigInt(123180927345162341n, 11));
/*
run:
0
3
5
2
*/
