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:~$ python3 Python 3.12.3 (main, Feb 4 2025, 14:48:35) [GCC 13.3.0] on linux ... >>> (2**4711+1)-2**4711 1 >>>
>>> (2**(128/2)+1)-2**64 0.0 ... >>> (2**(128//2)+1)-2**64 1 >>>