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613643937072 = 243311622925411
BaseRepresentation
bin10001110111000000000…
…01110110010100110000
32011122220220022212112220
420323200001312110300
540023220321441242
61145523143121040
762222445255135
oct10734001662460
92148826285486
10613643937072
11217277006451
129ab18143180
1345b3556c65a
14219b435258c
1510e67ababec
hex8ee0076530

613643937072 has 80 divisors (see below), whose sum is σ = 1636549063680. Its totient is φ = 197929670400.

The previous prime is 613643937007. The next prime is 613643937089. The reversal of 613643937072 is 270739346316.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24136047 + ... + 24161457.

It is an arithmetic number, because the mean of its divisors is an integer number (20456863296).

Almost surely, 2613643937072 is an apocalyptic number.

613643937072 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

613643937072 is an abundant number, since it is smaller than the sum of its proper divisors (1022905126608).

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

613643937072 is a wasteful number, since it uses less digits than its factorization.

613643937072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41682 (or 41676 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 51.

The spelling of 613643937072 in words is "six hundred thirteen billion, six hundred forty-three million, nine hundred thirty-seven thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 31 48 62 93 124 186 248 372 496 744 1488 16229 25411 32458 48687 50822 64916 76233 97374 101644 129832 152466 194748 203288 259664 304932 389496 406576 503099 609864 778992 787741 1006198 1219728 1509297 1575482 2012396 2363223 3018594 3150964 4024792 4726446 6037188 6301928 8049584 9452892 12074376 12603856 18905784 24148752 37811568 412395119 824790238 1237185357 1649580476 2474370714 3299160952 4948741428 6598321904 9897482856 12784248689 19794965712 25568497378 38352746067 51136994756 76705492134 102273989512 153410984268 204547979024 306821968536 613643937072