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113180387969 = 1110289126179
BaseRepresentation
bin110100101101000010…
…0111010101010000001
3101211010201212102111002
41221122010322222001
53323243134403334
6123554440301345
711114500265405
oct1513204725201
9354121772432
10113180387969
1143aaa418720
1219b27a71855
13a89938ca8c
145699745105
152e2641eb7e
hex1a5a13aa81

113180387969 has 4 divisors (see below), whose sum is σ = 123469514160. Its totient is φ = 102891261780.

The previous prime is 113180387953. The next prime is 113180387993. The reversal of 113180387969 is 969783081311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113180387969 - 24 = 113180387953 is a prime.

It is a super-2 number, since 2×1131803879692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113180387869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5144563079 + ... + 5144563100.

It is an arithmetic number, because the mean of its divisors is an integer number (30867378540).

Almost surely, 2113180387969 is an apocalyptic number.

It is an amenable number.

113180387969 is a deficient number, since it is larger than the sum of its proper divisors (10289126191).

113180387969 is a wasteful number, since it uses less digits than its factorization.

113180387969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10289126190.

The product of its (nonzero) digits is 1959552, while the sum is 56.

The spelling of 113180387969 in words is "one hundred thirteen billion, one hundred eighty million, three hundred eighty-seven thousand, nine hundred sixty-nine".

Divisors: 1 11 10289126179 113180387969