Search a number
-
+
2568056969 is a prime number
BaseRepresentation
bin1001100100010001…
…0111000010001001
320121222020210220002
42121010113002021
520224410310334
61102454212345
7120432060362
oct23104270211
96558223802
102568056969
1110a8668235
125b80540b5
1331c06a74a
141a50c8b69
151006c0b7e
hex99117089

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".