9007199254740991
9223372036854775807
Fatal error: Uncaught TypeError: dechex(): Argument #1 ($num) must be of type int, float given in /in/b6LXc:7
Stack trace:
#0 /in/b6LXc(7): dechex(1.844674407371E+19)
#1 {main}
thrown in /in/b6LXc on line 7
Process exited with code 255.