Base | Representation |
---|---|
bin | 1101100011100… |
… | …00101101101001 |
3 | 21220221221220000 |
4 | 12301300231221 |
5 | 213102123011 |
6 | 15141053213 |
7 | 2550333600 |
oct | 661605551 |
9 | 256857800 |
10 | 113707881 |
11 | 59204461 |
12 | 320b7209 |
13 | 1a732c91 |
14 | 1115ca37 |
15 | 9eb1356 |
hex | 6c70b69 |
113707881 has 30 divisors (see below), whose sum is σ = 197599050. Its totient is φ = 64973664.
The previous prime is 113707879. The next prime is 113707901. The reversal of 113707881 is 188707311.
It can be written as a sum of positive squares in only one way, i.e., 95355225 + 18352656 = 9765^2 + 4284^2 .
It is not a de Polignac number, because 113707881 - 21 = 113707879 is a prime.
It is a super-2 number, since 2×1137078812 = 25858964403020322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (113707831) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 10356 + ... + 18293.
It is an arithmetic number, because the mean of its divisors is an integer number (6586635).
Almost surely, 2113707881 is an apocalyptic number.
It is an amenable number.
113707881 is a deficient number, since it is larger than the sum of its proper divisors (83891169).
113707881 is an equidigital number, since it uses as much as digits as its factorization.
113707881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28675 (or 28659 counting only the distinct ones).
The product of its (nonzero) digits is 9408, while the sum is 36.
The square root of 113707881 is about 10663.3897518566. The cubic root of 113707881 is about 484.4662438501.
The spelling of 113707881 in words is "one hundred thirteen million, seven hundred seven thousand, eight hundred eighty-one".
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