Base | Representation |
---|---|
bin | 100010110000… |
… | …111000101011 |
3 | 122010222212101 |
4 | 202300320223 |
5 | 4313110011 |
6 | 523154231 |
7 | 140313616 |
oct | 42607053 |
9 | 18128771 |
10 | 9113131 |
11 | 5164915 |
12 | 3075977 |
13 | 1b70cb1 |
14 | 12d317d |
15 | c002c1 |
hex | 8b0e2b |
9113131 has 6 divisors (see below), whose sum is σ = 9213180. Its totient is φ = 9014148.
The previous prime is 9113113. The next prime is 9113147. The reversal of 9113131 is 1313119.
It is a happy number.
It is not a de Polignac number, because 9113131 - 211 = 9111083 is a prime.
It is a super-2 number, since 2×91131312 = 166098313246322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 9113099 and 9113108.
It is not an unprimeable number, because it can be changed into a prime (9113161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10180 + ... + 11038.
It is an arithmetic number, because the mean of its divisors is an integer number (1535530).
Almost surely, 29113131 is an apocalyptic number.
9113131 is a deficient number, since it is larger than the sum of its proper divisors (100049).
9113131 is an equidigital number, since it uses as much as digits as its factorization.
9113131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1065 (or 962 counting only the distinct ones).
The product of its digits is 81, while the sum is 19.
The square root of 9113131 is about 3018.7962832891. The cubic root of 9113131 is about 208.8763185413.
The spelling of 9113131 in words is "nine million, one hundred thirteen thousand, one hundred thirty-one".
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