Base | Representation |
---|---|
bin | 1000010010111001101… |
… | …10010000010111010100 |
3 | 1000020200220220002001101 |
4 | 10021130312100113110 |
5 | 14132213021140322 |
6 | 334534451035444 |
7 | 26410125232660 |
oct | 4113466202724 |
9 | 1006626802041 |
10 | 285025568212 |
11 | aa973559040 |
12 | 472a659bb84 |
13 | 20b54695598 |
14 | db1c4958a0 |
15 | 7632c4a327 |
hex | 425cd905d4 |
285025568212 has 24 divisors (see below), whose sum is σ = 621873967680. Its totient is φ = 111048922560.
The previous prime is 285025568209. The next prime is 285025568213. The reversal of 285025568212 is 212865520582.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (285025568213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462703537 + ... + 462704152.
It is an arithmetic number, because the mean of its divisors is an integer number (25911415320).
Almost surely, 2285025568212 is an apocalyptic number.
285025568212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
285025568212 is an abundant number, since it is smaller than the sum of its proper divisors (336848399468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285025568212 is a wasteful number, since it uses less digits than its factorization.
285025568212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 925407711 (or 925407709 counting only the distinct ones).
The product of its (nonzero) digits is 768000, while the sum is 46.
The spelling of 285025568212 in words is "two hundred eighty-five billion, twenty-five million, five hundred sixty-eight thousand, two hundred twelve".
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