Base | Representation |
---|---|
bin | 1111011000001100… |
… | …11001110111100010 |
3 | 210022101020202122200 |
4 | 13230012121313202 |
5 | 113402023202330 |
6 | 3443124114030 |
7 | 411410300163 |
oct | 75406316742 |
9 | 23271222580 |
10 | 8256069090 |
11 | 35573769a5 |
12 | 1724b35916 |
13 | a175cc0a9 |
14 | 5846c376a |
15 | 334c2ca60 |
hex | 1ec199de2 |
8256069090 has 24 divisors (see below), whose sum is σ = 21465779868. Its totient is φ = 2201618400.
The previous prime is 8256069071. The next prime is 8256069119. The reversal of 8256069090 is 909606528.
8256069090 is a `hidden beast` number, since 82 + 560 + 6 + 9 + 0 + 9 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 8196948369 + 59120721 = 90537^2 + 7689^2 .
It is a super-4 number, since 4×82560690904 (a number of 41 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45866961 + ... + 45867140.
Almost surely, 28256069090 is an apocalyptic number.
8256069090 is an abundant number, since it is smaller than the sum of its proper divisors (13209710778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8256069090 is a wasteful number, since it uses less digits than its factorization.
8256069090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91734114 (or 91734111 counting only the distinct ones).
The product of its (nonzero) digits is 233280, while the sum is 45.
The square root of 8256069090 is about 90862.9137217160. The cubic root of 8256069090 is about 2021.1153767259.
The spelling of 8256069090 in words is "eight billion, two hundred fifty-six million, sixty-nine thousand, ninety".
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