Base | Representation |
---|---|
bin | 1010011110100011… |
… | …0101101110000100 |
3 | 21021000012211212211 |
4 | 2213220311232010 |
5 | 21230000011433 |
6 | 1143025353204 |
7 | 126460601662 |
oct | 24750655604 |
9 | 7230184784 |
10 | 2812500868 |
11 | 1213646591 |
12 | 665a98804 |
13 | 35a8b61c8 |
14 | 1c9759c32 |
15 | 116da88cd |
hex | a7a35b84 |
2812500868 has 24 divisors (see below), whose sum is σ = 5050491264. Its totient is φ = 1369788000.
The previous prime is 2812500853. The next prime is 2812500877. The reversal of 2812500868 is 8680052182.
It is a happy number.
2812500868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×28125008682 = 15820322265001506848, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2812500868.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4218 + ... + 75118.
It is an arithmetic number, because the mean of its divisors is an integer number (210437136).
Almost surely, 22812500868 is an apocalyptic number.
It is an amenable number.
2812500868 is a deficient number, since it is larger than the sum of its proper divisors (2237990396).
2812500868 is a wasteful number, since it uses less digits than its factorization.
2812500868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71163 (or 71161 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 40.
The square root of 2812500868 is about 53033.0167725729. The cubic root of 2812500868 is about 1411.5541885338.
The spelling of 2812500868 in words is "two billion, eight hundred twelve million, five hundred thousand, eight hundred sixty-eight".
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