Search a number
-
+
2568112397 is a prime number
BaseRepresentation
bin1001100100010010…
…0100100100001101
320121222100121220222
42121010210210031
520224414044042
61102455321125
7120432411104
oct23104444415
96558317828
102568112397
1110a86a5944
125b80801a5
1331c089a46
141a510103b
151006d22d2
hex9912490d

2568112397 has 2 divisors, whose sum is σ = 2568112398. Its totient is φ = 2568112396.

The previous prime is 2568112381. The next prime is 2568112451. The reversal of 2568112397 is 7932118652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2024010121 + 544102276 = 44989^2 + 23326^2 .

It is a cyclic number.

It is not a de Polignac number, because 2568112397 - 24 = 2568112381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2568112307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284056198 + 1284056199.

It is an arithmetic number, because the mean of its divisors is an integer number (1284056199).

Almost surely, 22568112397 is an apocalyptic number.

It is an amenable number.

2568112397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2568112397 is an equidigital number, since it uses as much as digits as its factorization.

2568112397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 44.

The square root of 2568112397 is about 50676.5468140835. The cubic root of 2568112397 is about 1369.4242340561.

The spelling of 2568112397 in words is "two billion, five hundred sixty-eight million, one hundred twelve thousand, three hundred ninety-seven".