Base | Representation |
---|---|
bin | 110000101100011111… |
… | …001100010001101110 |
3 | 11222221220022002010200 |
4 | 300230133030101232 |
5 | 1324040202404211 |
6 | 40004142014330 |
7 | 3530460340512 |
oct | 605437142156 |
9 | 158856262120 |
10 | 52285981806 |
11 | 201a108a013 |
12 | a1725773a6 |
13 | 4c13547396 |
14 | 2760190142 |
15 | 15603e7b56 |
hex | c2c7cc46e |
52285981806 has 48 divisors (see below), whose sum is σ = 115848532800. Its totient is φ = 17035444224.
The previous prime is 52285981799. The next prime is 52285981819. The reversal of 52285981806 is 60818958225.
It is a happy number.
52285981806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 610390 + ... + 690758.
It is an arithmetic number, because the mean of its divisors is an integer number (2413511100).
Almost surely, 252285981806 is an apocalyptic number.
52285981806 is an abundant number, since it is smaller than the sum of its proper divisors (63562550994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52285981806 is a wasteful number, since it uses less digits than its factorization.
52285981806 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81193 (or 81190 counting only the distinct ones).
The product of its (nonzero) digits is 2764800, while the sum is 54.
The spelling of 52285981806 in words is "fifty-two billion, two hundred eighty-five million, nine hundred eighty-one thousand, eight hundred six".
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