Search a number
-
+
85947082159 is a prime number
BaseRepresentation
bin101000000001011011…
…0000110010110101111
322012211210121011001011
41100002312012112233
52402004423112114
6103252240130051
76131564100361
oct1200266062657
9265753534034
1085947082159
11334a4983a14
12147a7606927
138149263343
144234930d31
1523806521c4
hex1402d865af

85947082159 has 2 divisors, whose sum is σ = 85947082160. Its totient is φ = 85947082158.

The previous prime is 85947082147. The next prime is 85947082183. The reversal of 85947082159 is 95128074958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85947082159 - 27 = 85947082031 is a prime.

It is a super-2 number, since 2×859470821592 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85947082759) 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, 42973541079 + 42973541080.

It is an arithmetic number, because the mean of its divisors is an integer number (42973541080).

Almost surely, 285947082159 is an apocalyptic number.

85947082159 is a deficient number, since it is larger than the sum of its proper divisors (1).

85947082159 is an equidigital number, since it uses as much as digits as its factorization.

85947082159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7257600, while the sum is 58.

The spelling of 85947082159 in words is "eighty-five billion, nine hundred forty-seven million, eighty-two thousand, one hundred fifty-nine".