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28526165165 = 55705233033
BaseRepresentation
bin11010100100010010…
…101011110010101101
32201122001000100001202
4122210102223302231
5431410144241130
621034342415245
72026622255201
oct324422536255
981561010052
1028526165165
1111109305113
125641431525
1328c7c34494
1415487d6b01
15b1e54c145
hex6a44abcad

28526165165 has 4 divisors (see below), whose sum is σ = 34231398204. Its totient is φ = 22820932128.

The previous prime is 28526165159. The next prime is 28526165191. The reversal of 28526165165 is 56156162582.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4794454564 + 23731710601 = 69242^2 + 154051^2 .

It is a cyclic number.

It is not a de Polignac number, because 28526165165 - 222 = 28521970861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2852616512 + ... + 2852616521.

It is an arithmetic number, because the mean of its divisors is an integer number (8557849551).

Almost surely, 228526165165 is an apocalyptic number.

It is an amenable number.

28526165165 is a deficient number, since it is larger than the sum of its proper divisors (5705233039).

28526165165 is an equidigital number, since it uses as much as digits as its factorization.

28526165165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5705233038.

The product of its digits is 864000, while the sum is 47.

The spelling of 28526165165 in words is "twenty-eight billion, five hundred twenty-six million, one hundred sixty-five thousand, one hundred sixty-five".

Divisors: 1 5 5705233033 28526165165