Base | Representation |
---|---|
bin | 1000010011111100011… |
… | …01001111001010010101 |
3 | 1000022010221000101101222 |
4 | 10021332031033022111 |
5 | 14134334310200400 |
6 | 335110202500125 |
7 | 26430032331161 |
oct | 4117615171225 |
9 | 1008127011358 |
10 | 285585240725 |
11 | 100130472304 |
12 | 47421b04645 |
13 | 20c13611555 |
14 | db72941ca1 |
15 | 7666e4e185 |
hex | 427e34f295 |
285585240725 has 12 divisors (see below), whose sum is σ = 354351736704. Its totient is φ = 228322361520.
The previous prime is 285585240701. The next prime is 285585240763. The reversal of 285585240725 is 527042585582.
It is not a de Polignac number, because 285585240725 - 214 = 285585224341 is a prime.
It is a Duffinian number.
It is a congruent number.
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, 3605819 + ... + 3684168.
It is an arithmetic number, because the mean of its divisors is an integer number (29529311392).
Almost surely, 2285585240725 is an apocalyptic number.
285585240725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
285585240725 is a deficient number, since it is larger than the sum of its proper divisors (68766495979).
285585240725 is a wasteful number, since it uses less digits than its factorization.
285585240725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7291564 (or 7291559 counting only the distinct ones).
The product of its (nonzero) digits is 8960000, while the sum is 53.
The spelling of 285585240725 in words is "two hundred eighty-five billion, five hundred eighty-five million, two hundred forty thousand, seven hundred twenty-five".
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