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13020813696178 = 2412232318930707
BaseRepresentation
bin1011110101111010010011…
…1110011001110010110010
31201002202222220010211211201
42331132210332121302302
53201313111301234203
643405402414201414
72512502621164351
oct275364476316262
951082886124751
1013020813696178
1141701069747a2
1215636301b326a
13735b1baccc82
143302d43dd998
15178a7ba82e1d
hexbd7a4f99cb2

13020813696178 has 32 divisors (see below), whose sum is σ = 20098833108480. Its totient is φ = 6322655264640.

The previous prime is 13020813696173. The next prime is 13020813696193. The reversal of 13020813696178 is 87169631802031.

It is not an unprimeable number, because it can be changed into a prime (13020813696173) 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, 424018701 + ... + 424049407.

It is an arithmetic number, because the mean of its divisors is an integer number (628088534640).

Almost surely, 213020813696178 is an apocalyptic number.

13020813696178 is a deficient number, since it is larger than the sum of its proper divisors (7078019412302).

13020813696178 is a wasteful number, since it uses less digits than its factorization.

13020813696178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54162.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 13020813696178 in words is "thirteen trillion, twenty billion, eight hundred thirteen million, six hundred ninety-six thousand, one hundred seventy-eight".

Divisors: 1 2 41 82 223 446 9143 18286 23189 30707 46378 61414 950749 1258987 1901498 2517974 5171147 6847661 10342294 13695322 212017027 280754101 424034054 561508202 712064623 1424129246 29194649543 58389299086 158790410929 317580821858 6510406848089 13020813696178