Base | Representation |
---|---|
bin | 1010101000111100… |
… | …0100101011100001 |
3 | 21101001012210112111 |
4 | 2222033010223201 |
5 | 21322123444144 |
6 | 1151223355321 |
7 | 130530156106 |
oct | 25217045341 |
9 | 7331183474 |
10 | 2856078049 |
11 | 12361aa790 |
12 | 6785b2b41 |
13 | 366933016 |
14 | 1d1460aad |
15 | 11ab15534 |
hex | aa3c4ae1 |
2856078049 has 8 divisors (see below), whose sum is σ = 3131380800. Its totient is φ = 2583385200.
The previous prime is 2856078023. The next prime is 2856078089. The reversal of 2856078049 is 9408706582.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2856078049 - 211 = 2856076001 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2856077993 and 2856078011.
It is not an unprimeable number, because it can be changed into a prime (2856078089) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650182 + ... + 654559.
It is an arithmetic number, because the mean of its divisors is an integer number (391422600).
Almost surely, 22856078049 is an apocalyptic number.
It is an amenable number.
2856078049 is a deficient number, since it is larger than the sum of its proper divisors (275302751).
2856078049 is a wasteful number, since it uses less digits than its factorization.
2856078049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1304951.
The product of its (nonzero) digits is 967680, while the sum is 49.
The square root of 2856078049 is about 53442.2870861643. The cubic root of 2856078049 is about 1418.8071131400.
The spelling of 2856078049 in words is "two billion, eight hundred fifty-six million, seventy-eight thousand, forty-nine".
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