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13134256079 = 74789617727
BaseRepresentation
bin11000011101101110…
…01101011111001111
31020220100102100011212
430032313031133033
5203344332143304
610011144405035
7643323222530
oct141667153717
936810370155
1013134256079
11562aa43a9a
12266677677b
13131414a779
148c8516687
1551d12166e
hex30edcd7cf

13134256079 has 32 divisors (see below), whose sum is σ = 15548682240. Its totient is φ = 10861982208.

The previous prime is 13134256063. The next prime is 13134256081. The reversal of 13134256079 is 97065243131.

It is not a de Polignac number, because 13134256079 - 24 = 13134256063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13134256679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18066014 + ... + 18066740.

It is an arithmetic number, because the mean of its divisors is an integer number (485896320).

Almost surely, 213134256079 is an apocalyptic number.

13134256079 is a deficient number, since it is larger than the sum of its proper divisors (2414426161).

13134256079 is an equidigital number, since it uses as much as digits as its factorization.

13134256079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 13134256079 in words is "thirteen billion, one hundred thirty-four million, two hundred fifty-six thousand, seventy-nine".

Divisors: 1 7 47 89 329 617 623 727 4183 4319 5089 28999 29281 34169 54913 64703 202993 239183 384391 448559 452921 2580911 3041041 3139913 18066377 21082273 21287287 39921751 147575911 279452257 1876322297 13134256079