Base | Representation |
---|---|
bin | 1111000011110101… |
… | …10000011111101101 |
3 | 202212110210221112020 |
4 | 13201322300133231 |
5 | 113024310301020 |
6 | 3414142500353 |
7 | 404234303415 |
oct | 74172603755 |
9 | 22773727466 |
10 | 8085243885 |
11 | 3479a00444 |
12 | 16978946b9 |
13 | 9bb0bb2a4 |
14 | 569b37645 |
15 | 324c37c40 |
hex | 1e1eb07ed |
8085243885 has 32 divisors (see below), whose sum is σ = 13307334912. Its totient is φ = 4188856320.
The previous prime is 8085243883. The next prime is 8085243917. The reversal of 8085243885 is 5883425808.
It is not a de Polignac number, because 8085243885 - 21 = 8085243883 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8085243883) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344392 + ... + 367118.
It is an arithmetic number, because the mean of its divisors is an integer number (415854216).
Almost surely, 28085243885 is an apocalyptic number.
It is an amenable number.
8085243885 is a deficient number, since it is larger than the sum of its proper divisors (5222091027).
8085243885 is a wasteful number, since it uses less digits than its factorization.
8085243885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23413.
The product of its (nonzero) digits is 2457600, while the sum is 51.
The square root of 8085243885 is about 89917.9842133930. The cubic root of 8085243885 is about 2007.0785744187.
The spelling of 8085243885 in words is "eight billion, eighty-five million, two hundred forty-three thousand, eight hundred eighty-five".
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