JavaScript Big Integer
var bi = new jints.BigInteger('0x1234567890abcdef');
console.log(bi.toString(16))
// > 1234567890abcdefhttps://developer.mozilla.org/en-US/docs/Mozilla/js-ctypes/js-ctypes_reference/Int64
https://developer.mozilla.org/en-US/docs/Mozilla/js-ctypes/js-ctypes_reference/UInt64
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