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8868725390 = 2571036431913
BaseRepresentation
bin10000100001001111…
…00000001010001110
3211220002001221002202
420100213200022032
5121130343203030
64024011321502
7432526631150
oct102047401216
924802057082
108868725390
113841189718
121876150292
13ab4509605
14601c02ad0
1536d8ea745
hex2109e028e

8868725390 has 64 divisors (see below), whose sum is σ = 18459657216. Its totient is φ = 3004929792.

The previous prime is 8868725389. The next prime is 8868725417. The reversal of 8868725390 is 935278688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4635074 + ... + 4636986.

It is an arithmetic number, because the mean of its divisors is an integer number (288432144).

Almost surely, 28868725390 is an apocalyptic number.

8868725390 is an abundant number, since it is smaller than the sum of its proper divisors (9590931826).

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

8868725390 is a wasteful number, since it uses less digits than its factorization.

8868725390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The square root of 8868725390 is about 94173.9103467622. The cubic root of 8868725390 is about 2069.9208344871.

The spelling of 8868725390 in words is "eight billion, eight hundred sixty-eight million, seven hundred twenty-five thousand, three hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 103 206 515 643 721 1030 1286 1442 1913 3215 3605 3826 4501 6430 7210 9002 9565 13391 19130 22505 26782 45010 66229 66955 132458 133910 197039 331145 394078 463603 662290 927206 985195 1230059 1379273 1970390 2318015 2460118 2758546 4636030 6150295 6896365 8610413 12300590 13792730 17220826 43052065 86104130 126696077 253392154 633480385 886872539 1266960770 1773745078 4434362695 8868725390