Search a number
-
+
8160000917 is a prime number
BaseRepresentation
bin1111001100101111…
…11011101110010101
3210001200110222220012
413212113323232111
5113202430012132
63425413050005
7406132602065
oct74627735625
923050428805
108160000917
113508120512
1216b8926905
13a00734113
14575a373a5
1532b5a30b2
hex1e65fbb95

8160000917 has 2 divisors, whose sum is σ = 8160000918. Its totient is φ = 8160000916.

The previous prime is 8160000887. The next prime is 8160000931. The reversal of 8160000917 is 7190000618.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7582752241 + 577248676 = 87079^2 + 24026^2 .

It is a cyclic number.

It is not a de Polignac number, because 8160000917 - 222 = 8155806613 is a prime.

It is a super-2 number, since 2×81600009172 (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 (8160000997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4080000458 + 4080000459.

It is an arithmetic number, because the mean of its divisors is an integer number (4080000459).

Almost surely, 28160000917 is an apocalyptic number.

It is an amenable number.

8160000917 is a deficient number, since it is larger than the sum of its proper divisors (1).

8160000917 is an equidigital number, since it uses as much as digits as its factorization.

8160000917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 8160000917 is about 90332.7234007699. The cubic root of 8160000917 is about 2013.2454945347.

The spelling of 8160000917 in words is "eight billion, one hundred sixty million, nine hundred seventeen", and thus it is an aban number.