Base | Representation |
---|---|
bin | 10000000001101101… |
… | …00010100110010001 |
3 | 211012122101021111021 |
4 | 20000312202212101 |
5 | 120110140411311 |
6 | 3541442315441 |
7 | 423135523504 |
oct | 100066424621 |
9 | 24178337437 |
10 | 8604232081 |
11 | 3715956a05 |
12 | 1801658b81 |
13 | a717910b3 |
14 | 5b8a3313b |
15 | 3555a2171 |
hex | 200da2991 |
8604232081 has 27 divisors (see below), whose sum is σ = 9329849361. Its totient is φ = 7934233824.
The previous prime is 8604232073. The next prime is 8604232121. The reversal of 8604232081 is 1802324068.
The square root of 8604232081 is 92759.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 3214323025 + 5389909056 = 56695^2 + 73416^2 .
It is not a de Polignac number, because 8604232081 - 23 = 8604232073 is a prime.
It is a super-2 number, since 2×86042320812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8604232181) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 78937855 + ... + 78937963.
Almost surely, 28604232081 is an apocalyptic number.
8604232081 is the 92759-th square number.
8604232081 is the 46380-th centered octagonal number.
It is an amenable number.
8604232081 is a deficient number, since it is larger than the sum of its proper divisors (725617280).
8604232081 is an equidigital number, since it uses as much as digits as its factorization.
8604232081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 338 (or 169 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 34.
The cubic root of 8604232081 is about 2049.1356325036.
The spelling of 8604232081 in words is "eight billion, six hundred four million, two hundred thirty-two thousand, eighty-one".
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