Search a number
-
+
5311977997 is a prime number
BaseRepresentation
bin1001111001001111…
…00101101000001101
3111201012102102220211
410330213211220031
541334331243442
62235034042421
7245431032214
oct47447455015
914635372824
105311977997
112286522767
121042b79411
13668691661
143856b207b
1521152e617
hex13c9e5a0d

5311977997 has 2 divisors, whose sum is σ = 5311977998. Its totient is φ = 5311977996.

The previous prime is 5311977989. The next prime is 5311978013. The reversal of 5311977997 is 7997791135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2728390756 + 2583587241 = 52234^2 + 50829^2 .

It is a cyclic number.

It is not a de Polignac number, because 5311977997 - 23 = 5311977989 is a prime.

It is a super-2 number, since 2×53119779972 = 56434220481224264018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5311977907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2655988998 + 2655988999.

It is an arithmetic number, because the mean of its divisors is an integer number (2655988999).

Almost surely, 25311977997 is an apocalyptic number.

It is an amenable number.

5311977997 is a deficient number, since it is larger than the sum of its proper divisors (1).

5311977997 is an equidigital number, since it uses as much as digits as its factorization.

5311977997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3750705, while the sum is 58.

The square root of 5311977997 is about 72883.3176865598. The cubic root of 5311977997 is about 1744.8258594762.

The spelling of 5311977997 in words is "five billion, three hundred eleven million, nine hundred seventy-seven thousand, nine hundred ninety-seven".