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113131220103204 = 2239427601675267
BaseRepresentation
bin11001101110010001101010…
…001011111111000000100100
3112211120020110020120222010120
4121232101222023333000210
5104312020214321300304
61040335433125321540
732554314045325332
oct3156215213770044
9484506406528116
10113131220103204
1133057754472656
12108317088662b0
134b182c76b8734
141dd181a386b52
15d12c08e770d9
hex66e46a2ff024

113131220103204 has 12 divisors (see below), whose sum is σ = 263972846907504. Its totient is φ = 37710406701064.

The previous prime is 113131220103203. The next prime is 113131220103257. The reversal of 113131220103204 is 402301022131311.

113131220103204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1131312201032042 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113131220103203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4713800837622 + ... + 4713800837645.

It is an arithmetic number, because the mean of its divisors is an integer number (21997737242292).

Almost surely, 2113131220103204 is an apocalyptic number.

It is an amenable number.

113131220103204 is an abundant number, since it is smaller than the sum of its proper divisors (150841626804300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113131220103204 is a wasteful number, since it uses less digits than its factorization.

113131220103204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9427601675274 (or 9427601675272 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 113131220103204 its reverse (402301022131311), we get a palindrome (515432242234515).

The spelling of 113131220103204 in words is "one hundred thirteen trillion, one hundred thirty-one billion, two hundred twenty million, one hundred three thousand, two hundred four".

Divisors: 1 2 3 4 6 12 9427601675267 18855203350534 28282805025801 37710406701068 56565610051602 113131220103204