Search a number
-
+
8052557831 is a prime number
BaseRepresentation
bin1110111111111100…
…00100100000000111
3202210012022022200122
413133332010200013
5112442423322311
63411014132155
7403356416663
oct73776044007
922705268618
108052557831
11346250597a
12168895105b
139b43b5826
145656698a3
15321e2d0db
hex1dff84807

8052557831 has 2 divisors, whose sum is σ = 8052557832. Its totient is φ = 8052557830.

The previous prime is 8052557813. The next prime is 8052557839. The reversal of 8052557831 is 1387552508.

Together with previous prime (8052557813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8052557831 - 26 = 8052557767 is a prime.

It is a super-2 number, since 2×80525578312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8052557839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4026278915 + 4026278916.

It is an arithmetic number, because the mean of its divisors is an integer number (4026278916).

Almost surely, 28052557831 is an apocalyptic number.

8052557831 is a deficient number, since it is larger than the sum of its proper divisors (1).

8052557831 is an equidigital number, since it uses as much as digits as its factorization.

8052557831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336000, while the sum is 44.

The square root of 8052557831 is about 89736.0453273934. The cubic root of 8052557831 is about 2004.3702626963.

The spelling of 8052557831 in words is "eight billion, fifty-two million, five hundred fifty-seven thousand, eight hundred thirty-one".