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13012203220320 = 253537309726601
BaseRepresentation
bin1011110101011010001111…
…0000000010110101100000
31201001221202211000100111110
42331112203300002311200
53201142443011022240
643401420145543320
72512046345304243
oct275264360026540
951057684010443
1013012203220320
114167498543847
121561a28644b40
13735078c63c45
1432db18a2325a
15178725b9ac80
hexbd5a3c02d60

13012203220320 has 96 divisors (see below), whose sum is σ = 40989595177440. Its totient is φ = 3469823078400.

The previous prime is 13012203220283. The next prime is 13012203220327. The reversal of 13012203220320 is 2302230221031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012203220327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17545020 + ... + 18271620.

It is an arithmetic number, because the mean of its divisors is an integer number (426974949765).

Almost surely, 213012203220320 is an apocalyptic number.

13012203220320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13012203220320 is an abundant number, since it is smaller than the sum of its proper divisors (27977391957120).

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

13012203220320 is a wasteful number, since it uses less digits than its factorization.

13012203220320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763928 (or 763920 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13012203220320 its reverse (2302230221031), we get a palindrome (15314433441351).

The spelling of 13012203220320 in words is "thirteen trillion, twelve billion, two hundred three million, two hundred twenty thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 37309 74618 111927 149236 186545 223854 298472 373090 447708 559635 596944 726601 746180 895416 1119270 1193888 1453202 1492360 1790832 2179803 2238540 2906404 2984720 3581664 3633005 4359606 4477080 5812808 5969440 7266010 8719212 8954160 10899015 11625616 14532020 17438424 17908320 21798030 23251232 29064040 34876848 43596060 58128080 69753696 87192120 116256160 174384240 348768480 27108756709 54217513418 81326270127 108435026836 135543783545 162652540254 216870053672 271087567090 325305080508 406631350635 433740107344 542175134180 650610161016 813262701270 867480214688 1084350268360 1301220322032 1626525402540 2168700536720 2602440644064 3253050805080 4337401073440 6506101610160 13012203220320