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112117860931 = 1910167386813
BaseRepresentation
bin110100001101010111…
…1101100101001000011
3101201101200112110101211
41220122233230221003
53314104133022211
6123301202510551
711046246044056
oct1503257545103
9351350473354
10112117860931
11436046783aa
1219890065457
13a75a1cc65b
1455d859ca9d
152db2edbe21
hex1a1abeca43

112117860931 has 16 divisors (see below), whose sum is σ = 119365777440. Its totient is φ = 105007795200.

The previous prime is 112117860929. The next prime is 112117860977. The reversal of 112117860931 is 139068711211.

It is a cyclic number.

It is not a de Polignac number, because 112117860931 - 21 = 112117860929 is a prime.

It is a super-2 number, since 2×1121178609312 (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 (112117864931) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1248081 + ... + 1334893.

It is an arithmetic number, because the mean of its divisors is an integer number (7460361090).

Almost surely, 2112117860931 is an apocalyptic number.

112117860931 is a deficient number, since it is larger than the sum of its proper divisors (7247916509).

112117860931 is a wasteful number, since it uses less digits than its factorization.

112117860931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87606.

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 112117860931 in words is "one hundred twelve billion, one hundred seventeen million, eight hundred sixty thousand, nine hundred thirty-one".

Divisors: 1 19 101 673 1919 12787 67973 86813 1291487 1649447 8768113 58425149 166594147 1110077831 5900940049 112117860931