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28317796832 = 251325236279
BaseRepresentation
bin11010010111110111…
…110100100111100000
32201002111221010110002
4122113313310213200
5430443323444312
621001540355132
72021512205303
oct322767644740
981074833402
1028317796832
1111011726986
1255a36a5aa8
132893a0a200
141528c76b3a
15b0b0dd4c2
hex697df49e0

28317796832 has 36 divisors (see below), whose sum is σ = 60369072120. Its totient is φ = 13069749888.

The previous prime is 28317796813. The next prime is 28317796841. The reversal of 28317796832 is 23869771382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2612732 + ... + 2623547.

It is an arithmetic number, because the mean of its divisors is an integer number (1676918670).

Almost surely, 228317796832 is an apocalyptic number.

It is an amenable number.

28317796832 is an abundant number, since it is smaller than the sum of its proper divisors (32051275288).

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

28317796832 is a wasteful number, since it uses less digits than its factorization.

28317796832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5236315 (or 5236294 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 56.

The spelling of 28317796832 in words is "twenty-eight billion, three hundred seventeen million, seven hundred ninety-six thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 169 208 338 416 676 1352 2704 5408 5236279 10472558 20945116 41890232 68071627 83780464 136143254 167560928 272286508 544573016 884931151 1089146032 1769862302 2178292064 3539724604 7079449208 14158898416 28317796832