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13012602345 = 3354111532039
BaseRepresentation
bin11000001111001110…
…01000110111101001
31020120212111200122000
430013213020313221
5203122211233340
65551121121213
7640315203111
oct140747106751
936525450560
1013012602345
115578302816
122631a89209
1312c4b94c02
148b62ca041
155125e0d30
hex3079c8de9

13012602345 has 64 divisors (see below), whose sum is σ = 23729932800. Its totient is φ = 6761594880.

The previous prime is 13012602307. The next prime is 13012602373. The reversal of 13012602345 is 54320621031.

13012602345 is a `hidden beast` number, since 1 + 3 + 0 + 12 + 602 + 3 + 45 = 666.

It is not a de Polignac number, because 13012602345 - 211 = 13012600297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6380836 + ... + 6382874.

It is an arithmetic number, because the mean of its divisors is an integer number (370780200).

Almost surely, 213012602345 is an apocalyptic number.

13012602345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13012602345 is a deficient number, since it is larger than the sum of its proper divisors (10717330455).

13012602345 is a wasteful number, since it uses less digits than its factorization.

13012602345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247 (or 3241 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 13012602345 in words is "thirteen billion, twelve million, six hundred two thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 27 41 45 123 135 205 369 615 1107 1153 1845 2039 3459 5535 5765 6117 10195 10377 17295 18351 30585 31131 47273 51885 55053 83599 91755 141819 155655 236365 250797 275265 417995 425457 709095 752391 1253985 1276371 2127285 2257173 2350967 3761955 6381855 7052901 11285865 11754835 21158703 35264505 63476109 96389647 105793515 289168941 317380545 481948235 867506823 1445844705 2602520469 4337534115 13012602345