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8913813504 = 217322669
BaseRepresentation
bin10000100110100111…
…00000000000000000
3212000012220122100220
420103103200000000
5121223414013004
64032301543040
7433615110321
oct102323400000
925005818326
108913813504
113864685022
121889274a80
13ac096507b
14607bbc448
15372854dd9
hex2134e0000

8913813504 has 72 divisors (see below), whose sum is σ = 23771127240. Its totient is φ = 2971140096.

The previous prime is 8913813497. The next prime is 8913813521. The reversal of 8913813504 is 4053183198.

It is a congruent number.

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, 381882 + ... + 404550.

It is an arithmetic number, because the mean of its divisors is an integer number (330154545).

Almost surely, 28913813504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8913813504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11885563620).

8913813504 is an abundant number, since it is smaller than the sum of its proper divisors (14857313736).

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

8913813504 is an frugal number, since it uses more digits than its factorization.

8913813504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22706 (or 22674 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 8913813504 is about 94412.9943598867. The cubic root of 8913813504 is about 2073.4226947925.

The spelling of 8913813504 in words is "eight billion, nine hundred thirteen million, eight hundred thirteen thousand, five hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 2048 3072 4096 6144 8192 12288 16384 22669 24576 32768 45338 49152 65536 68007 90676 98304 131072 136014 181352 196608 272028 362704 393216 544056 725408 1088112 1450816 2176224 2901632 4352448 5803264 8704896 11606528 17409792 23213056 34819584 46426112 69639168 92852224 139278336 185704448 278556672 371408896 557113344 742817792 1114226688 1485635584 2228453376 2971271168 4456906752 8913813504