Base | Representation |
---|---|
bin | 1011111100000101010… |
… | …1000111010011111000 |
3 | 201121102021000012020121 |
4 | 2333001111013103320 |
5 | 11330024343004233 |
6 | 234120322503024 |
7 | 20550512511331 |
oct | 2770125072370 |
9 | 647367005217 |
10 | 205107000568 |
11 | 79a92611328 |
12 | 33901b04a74 |
13 | 164593a2ac2 |
14 | 9cda477288 |
15 | 55069b492d |
hex | 2fc15474f8 |
205107000568 has 32 divisors (see below), whose sum is σ = 398254741200. Its totient is φ = 98913165568.
The previous prime is 205107000563. The next prime is 205107000607. The reversal of 205107000568 is 865000701502.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205107000563) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242746 + ... + 684937.
Almost surely, 2205107000568 is an apocalyptic number.
205107000568 is the 242079-th centered heptagonal number.
It is an amenable number.
205107000568 is a deficient number, since it is larger than the sum of its proper divisors (193147740632).
205107000568 is a wasteful number, since it uses less digits than its factorization.
205107000568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 928671 (or 928667 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 34.
The spelling of 205107000568 in words is "two hundred five billion, one hundred seven million, five hundred sixty-eight", and thus it is an aban number.
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