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112720575137 = 211153396767
BaseRepresentation
bin110100011111010101…
…0110111101010100001
3101202221200122111212012
41220332222313222201
53321322431401022
6123441053042305
711100215036252
oct1507652675241
9352850574765
10112720575137
114389390a515
1219a19a86395
13a825038791
145654650b29
152dead93de2
hex1a3eab7aa1

112720575137 has 4 divisors (see below), whose sum is σ = 112773974016. Its totient is φ = 112667176260.

The previous prime is 112720575109. The next prime is 112720575181. The reversal of 112720575137 is 731575027211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 731575027211 = 7104510718173.

It is a cyclic number.

It is not a de Polignac number, because 112720575137 - 28 = 112720574881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112720575094 and 112720575103.

It is not an unprimeable number, because it can be changed into a prime (112720575337) 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, 26696273 + ... + 26700494.

It is an arithmetic number, because the mean of its divisors is an integer number (28193493504).

Almost surely, 2112720575137 is an apocalyptic number.

It is an amenable number.

112720575137 is a deficient number, since it is larger than the sum of its proper divisors (53398879).

112720575137 is an equidigital number, since it uses as much as digits as its factorization.

112720575137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53398878.

The product of its (nonzero) digits is 102900, while the sum is 41.

The spelling of 112720575137 in words is "one hundred twelve billion, seven hundred twenty million, five hundred seventy-five thousand, one hundred thirty-seven".

Divisors: 1 2111 53396767 112720575137