Base | Representation |
---|---|
bin | 100111101110010011… |
… | …0100111101010000000 |
3 | 22011012002022220010101 |
4 | 1033130212213222000 |
5 | 2344201201140143 |
6 | 103104440412144 |
7 | 6106643462422 |
oct | 1173446475200 |
9 | 264162286111 |
10 | 85305490048 |
11 | 331a57a82a9 |
12 | 14648777054 |
13 | 807636433c |
14 | 41b363c812 |
15 | 234416ab4d |
hex | 13dc9a7a80 |
85305490048 has 32 divisors (see below), whose sum is σ = 170040087360. Its totient is φ = 42628762368.
The previous prime is 85305490043. The next prime is 85305490063. The reversal of 85305490048 is 84009450358.
It is a tau number, because it is divible by the number of its divisors (32).
It is not an unprimeable number, because it can be changed into a prime (85305490043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42265 + ... + 415207.
It is an arithmetic number, because the mean of its divisors is an integer number (5313752730).
Almost surely, 285305490048 is an apocalyptic number.
It is an amenable number.
85305490048 is a deficient number, since it is larger than the sum of its proper divisors (84734597312).
85305490048 is a wasteful number, since it uses less digits than its factorization.
85305490048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 374744 (or 374732 counting only the distinct ones).
The product of its (nonzero) digits is 691200, while the sum is 46.
The spelling of 85305490048 in words is "eighty-five billion, three hundred five million, four hundred ninety thousand, forty-eight".
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