Base | Representation |
---|---|
bin | 1001100100010001… |
… | …0111000010001001 |
3 | 20121222020210220002 |
4 | 2121010113002021 |
5 | 20224410310334 |
6 | 1102454212345 |
7 | 120432060362 |
oct | 23104270211 |
9 | 6558223802 |
10 | 2568056969 |
11 | 10a8668235 |
12 | 5b80540b5 |
13 | 31c06a74a |
14 | 1a50c8b69 |
15 | 1006c0b7e |
hex | 99117089 |
2568056969 has 2 divisors, whose sum is σ = 2568056970. Its totient is φ = 2568056968.
The previous prime is 2568056947. The next prime is 2568056983. The reversal of 2568056969 is 9696508652.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2237290000 + 330766969 = 47300^2 + 18187^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2568056969 is a prime.
It is a super-2 number, since 2×25680569692 = 13189833192058933922, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2568356969) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284028484 + 1284028485.
It is an arithmetic number, because the mean of its divisors is an integer number (1284028485).
Almost surely, 22568056969 is an apocalyptic number.
It is an amenable number.
2568056969 is a deficient number, since it is larger than the sum of its proper divisors (1).
2568056969 is an equidigital number, since it uses as much as digits as its factorization.
2568056969 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6998400, while the sum is 56.
The square root of 2568056969 is about 50675.9999309338. Note that the first 4 decimals coincide. The cubic root of 2568056969 is about 1369.4143818143.
The spelling of 2568056969 in words is "two billion, five hundred sixty-eight million, fifty-six thousand, nine hundred sixty-nine".
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