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112122131 = 1157117851
BaseRepresentation
bin1101010111011…
…01100100010011
321210222101122112
412223231210103
5212200402011
615043055535
72531010452
oct653554423
9253871575
10112122131
1158321020
12316715ab
131a2c9274
1410c68b99
159c9b58b
hex6aed913

112122131 has 8 divisors (see below), whose sum is σ = 122536128. Its totient is φ = 101745000.

The previous prime is 112122061. The next prime is 112122137. The reversal of 112122131 is 131221211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112122131 - 218 = 111859987 is a prime.

It is a super-2 number, since 2×1121221312 = 25142744519962322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112122137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2645 + ... + 15206.

It is an arithmetic number, because the mean of its divisors is an integer number (15317016).

Almost surely, 2112122131 is an apocalyptic number.

112122131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112122131 is a deficient number, since it is larger than the sum of its proper divisors (10413997).

112122131 is a wasteful number, since it uses less digits than its factorization.

112122131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18433.

The product of its digits is 24, while the sum is 14.

The square root of 112122131 is about 10588.7738194750. The cubic root of 112122131 is about 482.2035993569.

Adding to 112122131 its reverse (131221211), we get a palindrome (243343342).

The spelling of 112122131 in words is "one hundred twelve million, one hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 11 571 6281 17851 196361 10192921 112122131