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13479042788 = 229734739801
BaseRepresentation
bin11001000110110100…
…11101111011100100
31021210101012022121222
430203122131323210
5210101113332123
610105302355512
7655010654561
oct144332357344
937711168558
1013479042788
115797628392
12274212bb98
13136a6c9a83
1491c227868
1553d52a6c8
hex32369dee4

13479042788 has 12 divisors (see below), whose sum is σ = 23831504172. Its totient is φ = 6670041600.

The previous prime is 13479042767. The next prime is 13479042793. The reversal of 13479042788 is 88724097431.

It can be written as a sum of positive squares in 2 ways, for example, as 9158872804 + 4320169984 = 95702^2 + 65728^2 .

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17369513 + ... + 17370288.

It is an arithmetic number, because the mean of its divisors is an integer number (1985958681).

Almost surely, 213479042788 is an apocalyptic number.

It is an amenable number.

13479042788 is a deficient number, since it is larger than the sum of its proper divisors (10352461384).

13479042788 is a wasteful number, since it uses less digits than its factorization.

13479042788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34739902 (or 34739900 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 13479042788 in words is "thirteen billion, four hundred seventy-nine million, forty-two thousand, seven hundred eighty-eight".

Divisors: 1 2 4 97 194 388 34739801 69479602 138959204 3369760697 6739521394 13479042788