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112311102013 = 1195467106949
BaseRepresentation
bin110100010011001000…
…0110110101000111101
3101201220011011010022221
41220212100312220331
53320003120231023
6123332304405341
711054113421125
oct1504620665075
9351804133287
10112311102013
11436a3764280
1219924916851
13a78b25b3a6
145616101c85
152dc4e5d85d
hex1a26436a3d

112311102013 has 8 divisors (see below), whose sum is σ = 122523631200. Its totient is φ = 102098977680.

The previous prime is 112311101927. The next prime is 112311102017. The reversal of 112311102013 is 310201113211.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112311102013 is a prime.

It is a super-2 number, since 2×1123111020132 (a number of 23 digits) 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 (112311102017) 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, 996663 + ... + 1103611.

It is an arithmetic number, because the mean of its divisors is an integer number (15315453900).

Almost surely, 2112311102013 is an apocalyptic number.

It is an amenable number.

112311102013 is a deficient number, since it is larger than the sum of its proper divisors (10212529187).

112311102013 is a wasteful number, since it uses less digits than its factorization.

112311102013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202427.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 112311102013 its reverse (310201113211), we get a palindrome (422512215224).

The spelling of 112311102013 in words is "one hundred twelve billion, three hundred eleven million, one hundred two thousand, thirteen".

Divisors: 1 11 95467 106949 1050137 1176439 10210100183 112311102013