Base | Representation |
---|---|
bin | 1000010100010000101… |
… | …11101110000010110000 |
3 | 1000022120210212200222220 |
4 | 10022020113232002300 |
5 | 14140211433321231 |
6 | 335135133401040 |
7 | 26434202614251 |
oct | 4121027560260 |
9 | 1008523780886 |
10 | 285755760816 |
11 | 10020874a5a9 |
12 | 4746b039180 |
13 | 20c3ca46506 |
14 | db8b44cb28 |
15 | 7676dd3896 |
hex | 42885ee0b0 |
285755760816 has 40 divisors (see below), whose sum is σ = 738253195200. Its totient is φ = 95245363776.
The previous prime is 285755760781. The next prime is 285755760833. The reversal of 285755760816 is 618067557582.
It is a self number, because there is not a number n which added to its sum of digits gives 285755760816.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526635 + ... + 921333.
It is an arithmetic number, because the mean of its divisors is an integer number (18456329880).
Almost surely, 2285755760816 is an apocalyptic number.
It is an amenable number.
285755760816 is an abundant number, since it is smaller than the sum of its proper divisors (452497434384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285755760816 is a wasteful number, since it uses less digits than its factorization.
285755760816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 409793 (or 409787 counting only the distinct ones).
The product of its (nonzero) digits is 28224000, while the sum is 60.
The spelling of 285755760816 in words is "two hundred eighty-five billion, seven hundred fifty-five million, seven hundred sixty thousand, eight hundred sixteen".
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