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112231220113 = 285139365563
BaseRepresentation
bin110100010000110000…
…0001000001110010001
3101201200120211200222001
41220201200020032101
53314322143020423
6123320332314001
711052123426235
oct1504140101621
9351616750861
10112231220113
1143662663881
1219902012901
13a77783c9ac
14560966a5c5
152dbce2ecad
hex1a21808391

112231220113 has 4 divisors (see below), whose sum is σ = 112270588528. Its totient is φ = 112191851700.

The previous prime is 112231220111. The next prime is 112231220131. The reversal of 112231220113 is 311022132211.

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.

It is a cyclic number.

It is not a de Polignac number, because 112231220113 - 21 = 112231220111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112231220111) 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, 19679931 + ... + 19685632.

It is an arithmetic number, because the mean of its divisors is an integer number (28067647132).

Almost surely, 2112231220113 is an apocalyptic number.

It is an amenable number.

112231220113 is a deficient number, since it is larger than the sum of its proper divisors (39368415).

112231220113 is an equidigital number, since it uses as much as digits as its factorization.

112231220113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39368414.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 112231220113 its reverse (311022132211), we get a palindrome (423253352324).

The spelling of 112231220113 in words is "one hundred twelve billion, two hundred thirty-one million, two hundred twenty thousand, one hundred thirteen".

Divisors: 1 2851 39365563 112231220113