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112100431 = 176594143
BaseRepresentation
bin1101010111010…
…00010001001111
321210221021212211
412223220101033
5212144203211
615042411251
72530560262
oct653502117
9253837784
10112100431
1158306793
1231660b27
131a2bc421
1410c60cd9
159c94e21
hex6ae844f

112100431 has 4 divisors (see below), whose sum is σ = 118694592. Its totient is φ = 105506272.

The previous prime is 112100423. The next prime is 112100453. The reversal of 112100431 is 134001211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134001211 = 711887341.

It is a cyclic number.

It is not a de Polignac number, because 112100431 - 23 = 112100423 is a prime.

It is a super-2 number, since 2×1121004312 = 25133013260771522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100231) 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, 3297055 + ... + 3297088.

It is an arithmetic number, because the mean of its divisors is an integer number (29673648).

Almost surely, 2112100431 is an apocalyptic number.

112100431 is a deficient number, since it is larger than the sum of its proper divisors (6594161).

112100431 is an equidigital number, since it uses as much as digits as its factorization.

112100431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6594160.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 112100431 is about 10587.7490997851. The cubic root of 112100431 is about 482.1724889563.

Adding to 112100431 its reverse (134001211), we get a palindrome (246101642).

The spelling of 112100431 in words is "one hundred twelve million, one hundred thousand, four hundred thirty-one".

Divisors: 1 17 6594143 112100431