Base | Representation |
---|---|
bin | 10000100001001010… |
… | …01000110000001001 |
3 | 211220000220102101200 |
4 | 20100211020300021 |
5 | 121130213331400 |
6 | 4023550134413 |
7 | 432521436120 |
oct | 102045106011 |
9 | 24800812350 |
10 | 8868105225 |
11 | 38408a5791 |
12 | 1875ab1409 |
13 | ab4350255 |
14 | 601ac0ab7 |
15 | 36d826b00 |
hex | 210948c09 |
8868105225 has 72 divisors (see below), whose sum is σ = 18193573632. Its totient is φ = 4044902400.
The previous prime is 8868105223. The next prime is 8868105283. The reversal of 8868105225 is 5225018688.
It is not a de Polignac number, because 8868105225 - 21 = 8868105223 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (8868105221) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 723145 + ... + 735305.
Almost surely, 28868105225 is an apocalyptic number.
It is an amenable number.
8868105225 is an abundant number, since it is smaller than the sum of its proper divisors (9325468407).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8868105225 is a wasteful number, since it uses less digits than its factorization.
8868105225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12647 (or 12639 counting only the distinct ones).
The product of its (nonzero) digits is 307200, while the sum is 45.
The square root of 8868105225 is about 94170.6176309787. The cubic root of 8868105225 is about 2069.8725854501.
The spelling of 8868105225 in words is "eight billion, eight hundred sixty-eight million, one hundred five thousand, two hundred twenty-five".
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