Base | Representation |
---|---|
bin | 1010100010011101… |
… | …0100000111101011 |
3 | 21022011000220111221 |
4 | 2220213110013223 |
5 | 21243143101230 |
6 | 1144412402511 |
7 | 130050032434 |
oct | 25047240753 |
9 | 7264026457 |
10 | 2828878315 |
11 | 122191216a |
12 | 66b476437 |
13 | 3610cb7c3 |
14 | 1cb9c048b |
15 | 11854127a |
hex | a89d41eb |
2828878315 has 4 divisors (see below), whose sum is σ = 3394653984. Its totient is φ = 2263102648.
The previous prime is 2828878303. The next prime is 2828878363. The reversal of 2828878315 is 5138788282.
2828878315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5138788282 = 2 ⋅2569394141.
It is a cyclic number.
It is not a de Polignac number, because 2828878315 - 27 = 2828878187 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282887827 + ... + 282887836.
It is an arithmetic number, because the mean of its divisors is an integer number (848663496).
Almost surely, 22828878315 is an apocalyptic number.
2828878315 is a deficient number, since it is larger than the sum of its proper divisors (565775669).
2828878315 is an equidigital number, since it uses as much as digits as its factorization.
2828878315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 565775668.
The product of its digits is 1720320, while the sum is 52.
The square root of 2828878315 is about 53187.2006689579. The cubic root of 2828878315 is about 1414.2887567505.
The spelling of 2828878315 in words is "two billion, eight hundred twenty-eight million, eight hundred seventy-eight thousand, three hundred fifteen".
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