Base | Representation |
---|---|
bin | 1000010011000000110… |
… | …00111110010010111101 |
3 | 1000020212001201120100210 |
4 | 10021200120332102331 |
5 | 14132323230012033 |
6 | 334544412543033 |
7 | 26411446345050 |
oct | 4114030762275 |
9 | 1006761646323 |
10 | 285085000893 |
11 | aa9a4061760 |
12 | 47302481a79 |
13 | 20b63aa4254 |
14 | db26326a97 |
15 | 7638089d63 |
hex | 426063e4bd |
285085000893 has 64 divisors (see below), whose sum is σ = 483366610944. Its totient is φ = 145146144000.
The previous prime is 285085000841. The next prime is 285085000903. The reversal of 285085000893 is 398000580582.
It is not a de Polignac number, because 285085000893 - 26 = 285085000829 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (285085000093) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11875963 + ... + 11899943.
It is an arithmetic number, because the mean of its divisors is an integer number (7552603296).
Almost surely, 2285085000893 is an apocalyptic number.
It is an amenable number.
285085000893 is a deficient number, since it is larger than the sum of its proper divisors (198281610051).
285085000893 is a wasteful number, since it uses less digits than its factorization.
With its predecessor (285085000892) it forms an eRAP, since the sums of their prime factors are consecutive (25025 and 25026).
285085000893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25026.
The product of its (nonzero) digits is 691200, while the sum is 48.
The spelling of 285085000893 in words is "two hundred eighty-five billion, eighty-five million, eight hundred ninety-three", and thus it is an aban number.
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