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For a non-technical movie, the mathematics was surprisingly good, except for the throwaway question “Surely you’ve tried all of the 216-digit numbers?” At one number per nanosecond, checking all 30-digit numbers would take longer than the life of the universe!
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Palais, R. π is wrong!. The Mathematical Intelligencer 23, 7–8 (2001). https://doi.org/10.1007/BF03026846
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