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13816680149540 = 2251797874903949
BaseRepresentation
bin1100100100001111001001…
…0011111111001000100100
31210220212021012021122211102
43021003302103333020210
53302333030104241130
645215143434255232
72624136133341122
oct311036223771044
953825235248742
1013816680149540
114447691820744
121671922287518
13792ba459a058
1435aa337aa912
1518e60c020645
hexc90f24ff224

13816680149540 has 48 divisors (see below), whose sum is σ = 29214203256000. Its totient is φ = 5488812454272.

The previous prime is 13816680149537. The next prime is 13816680149581. The reversal of 13816680149540 is 4594108661831.

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, 365486 + ... + 5269434.

It is an arithmetic number, because the mean of its divisors is an integer number (608629234500).

Almost surely, 213816680149540 is an apocalyptic number.

13816680149540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13816680149540 is an abundant number, since it is smaller than the sum of its proper divisors (15397523106460).

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

13816680149540 is a wasteful number, since it uses less digits than its factorization.

13816680149540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4904924 (or 4904922 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 13816680149540 in words is "thirteen trillion, eight hundred sixteen billion, six hundred eighty million, one hundred forty-nine thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 179 358 716 787 895 1574 1790 3148 3580 3935 7870 15740 140873 281746 563492 704365 1408730 2817460 4903949 9807898 19615796 24519745 49039490 98078980 877806871 1755613742 3511227484 3859407863 4389034355 7718815726 8778068710 15437631452 17556137420 19297039315 38594078630 77188157260 690834007477 1381668014954 2763336029908 3454170037385 6908340074770 13816680149540