Base | Representation |
---|---|
bin | 11010001000110011… |
… | …110011000111011000 |
3 | 2200102220101222102112 |
4 | 122020303303013120 |
5 | 424434130140424 |
6 | 20520512051452 |
7 | 2012323163636 |
oct | 321063630730 |
9 | 80386358375 |
10 | 28065083864 |
11 | 109a200a994 |
12 | 5532b33b88 |
13 | 28535579cc |
14 | 1503492356 |
15 | ae3d2060e |
hex | 688cf31d8 |
28065083864 has 32 divisors (see below), whose sum is σ = 52786272000. Its totient is φ = 13988801952.
The previous prime is 28065083843. The next prime is 28065083873. The reversal of 28065083864 is 46838056082.
It is a congruent number.
It is an unprimeable number.
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, 5416427 + ... + 5421605.
It is an arithmetic number, because the mean of its divisors is an integer number (1649571000).
Almost surely, 228065083864 is an apocalyptic number.
It is an amenable number.
28065083864 is a deficient number, since it is larger than the sum of its proper divisors (24721188136).
28065083864 is a wasteful number, since it uses less digits than its factorization.
28065083864 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7167 (or 7163 counting only the distinct ones).
The product of its (nonzero) digits is 2211840, while the sum is 50.
The spelling of 28065083864 in words is "twenty-eight billion, sixty-five million, eighty-three thousand, eight hundred sixty-four".
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