Base | Representation |
---|---|
bin | 1111011110111111… |
… | …10101000011010101 |
3 | 210110100111111021200 |
4 | 13233133311003111 |
5 | 114011121100220 |
6 | 3452521503113 |
7 | 413001615051 |
oct | 75737650325 |
9 | 23410444250 |
10 | 8313065685 |
11 | 3586566321 |
12 | 1740041a99 |
13 | a26366ca2 |
14 | 58c0bcc61 |
15 | 339c3a890 |
hex | 1ef7f50d5 |
8313065685 has 24 divisors (see below), whose sum is σ = 14414151960. Its totient is φ = 4432146432.
The previous prime is 8313065653. The next prime is 8313065693. The reversal of 8313065685 is 5865603138.
8313065685 is a `hidden beast` number, since 83 + 1 + 3 + 0 + 6 + 568 + 5 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 2257580196 + 6055485489 = 47514^2 + 77817^2 .
It is not a de Polignac number, because 8313065685 - 25 = 8313065653 is a prime.
It is a super-2 number, since 2×83130656852 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 8313065685.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111721 + ... + 170609.
It is an arithmetic number, because the mean of its divisors is an integer number (600589665).
Almost surely, 28313065685 is an apocalyptic number.
It is an amenable number.
8313065685 is a deficient number, since it is larger than the sum of its proper divisors (6101086275).
8313065685 is a wasteful number, since it uses less digits than its factorization.
8313065685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62037 (or 62034 counting only the distinct ones).
The product of its (nonzero) digits is 518400, while the sum is 45.
The square root of 8313065685 is about 91176.0148558819. The cubic root of 8313065685 is about 2025.7557051421.
The spelling of 8313065685 in words is "eight billion, three hundred thirteen million, sixty-five thousand, six hundred eighty-five".
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