The book is now available! 59365582
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+ 59365582 = prime(5*5!) + prime(9*9!) + prime(3*3!) + prime(6*6!) + prime(5*5!) + prime(5*5!) + prime(8*8!) + prime(2*2!). Note that 59365582 is the only number with this property. [Firoozbakht]




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