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112112203831 = 373030059563
BaseRepresentation
bin110100001101001101…
…0000111100000110111
3101201101021220001022121
41220122122013200313
53314101211010311
6123300441340411
711046150003055
oct1503232074067
9351337801277
10112112203831
1143601464111
121988a197707
13a758c9b764
1455d79291d5
152db2770b71
hex1a1a687837

112112203831 has 4 divisors (see below), whose sum is σ = 115142263432. Its totient is φ = 109082144232.

The previous prime is 112112203829. The next prime is 112112203843. The reversal of 112112203831 is 138302211211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112112203831 - 21 = 112112203829 is a prime.

It is a super-2 number, since 2×1121122038312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112112203796 and 112112203805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112203811) 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, 1515029745 + ... + 1515029818.

It is an arithmetic number, because the mean of its divisors is an integer number (28785565858).

Almost surely, 2112112203831 is an apocalyptic number.

112112203831 is a deficient number, since it is larger than the sum of its proper divisors (3030059601).

112112203831 is an equidigital number, since it uses as much as digits as its factorization.

112112203831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030059600.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 112112203831 in words is "one hundred twelve billion, one hundred twelve million, two hundred three thousand, eight hundred thirty-one".

Divisors: 1 37 3030059563 112112203831