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13292475849 = 32384312
BaseRepresentation
bin11000110000100101…
…10001010111001001
31021022101010201220100
430120102301113021
5204210333211344
610034555520013
7650254115622
oct143022612711
937271121810
1013292475849
11570128a934
1226ab759009
13133ab66b33
14901540a49
1552be76569
hex3184b15c9

13292475849 has 9 divisors (see below), whose sum is σ = 19200742509. Its totient is φ = 8861419980.

The previous prime is 13292475841. The next prime is 13292475853. The reversal of 13292475849 is 94857429231.

The square root of 13292475849 is 115293.

It is a perfect power (a square), and thus also a powerful number.

13292475849 is a `hidden beast` number, since 1 + 3 + 2 + 92 + 475 + 84 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 13292475849 - 23 = 13292475841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13292475795 and 13292475804.

It is not an unprimeable number, because it can be changed into a prime (13292475841) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 326664 + ... + 365094.

Almost surely, 213292475849 is an apocalyptic number.

13292475849 is the 115293-rd square number.

13292475849 is the 57647-th centered octagonal number.

It is an amenable number.

13292475849 is a deficient number, since it is larger than the sum of its proper divisors (5908266660).

13292475849 is an frugal number, since it uses more digits than its factorization.

13292475849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76868 (or 38434 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 13292475849 in words is "thirteen billion, two hundred ninety-two million, four hundred seventy-five thousand, eight hundred forty-nine".

Divisors: 1 3 9 38431 115293 345879 1476941761 4430825283 13292475849