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28317045952 = 261334034911
BaseRepresentation
bin11010010111110100…
…111101010011000000
32201002110111222102201
4122113310331103000
5430443130432302
621001512322544
72021502630166
oct322764752300
981073458381
1028317045952
1111011263818
1255a33a3454
1328938064c0
141528b1d236
15b0aee0c87
hex697d3d4c0

28317045952 has 28 divisors (see below), whose sum is σ = 60514073536. Its totient is φ = 13069405440.

The previous prime is 28317045917. The next prime is 28317046003. The reversal of 28317045952 is 25954071382.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17016624 + ... + 17018287.

It is an arithmetic number, because the mean of its divisors is an integer number (2161216912).

Almost surely, 228317045952 is an apocalyptic number.

It is an amenable number.

28317045952 is an abundant number, since it is smaller than the sum of its proper divisors (32197027584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28317045952 is a wasteful number, since it uses less digits than its factorization.

28317045952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34034936 (or 34034926 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 28317045952 in words is "twenty-eight billion, three hundred seventeen million, forty-five thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 34034911 68069822 136139644 272279288 442453843 544558576 884907686 1089117152 1769815372 2178234304 3539630744 7079261488 14158522976 28317045952