Base | Representation |
---|---|
bin | 11010011000110001… |
… | …010011101011101110 |
3 | 2201010120021201212000 |
4 | 122120301103223232 |
5 | 431011203210121 |
6 | 21003235353130 |
7 | 2022054250464 |
oct | 323061235356 |
9 | 81116251760 |
10 | 28332866286 |
11 | 1101a18987a |
12 | 55a87527a6 |
13 | 2896b8534a |
14 | 152ac7a834 |
15 | b0c5b8526 |
hex | 698c53aee |
28332866286 has 64 divisors (see below), whose sum is σ = 63228211200. Its totient is φ = 9404447328.
The previous prime is 28332866269. The next prime is 28332866297. The reversal of 28332866286 is 68266823382.
28332866286 is a `hidden beast` number, since 2 + 8 + 3 + 3 + 2 + 8 + 6 + 628 + 6 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16734456 + ... + 16736148.
It is an arithmetic number, because the mean of its divisors is an integer number (987940800).
Almost surely, 228332866286 is an apocalyptic number.
28332866286 is an abundant number, since it is smaller than the sum of its proper divisors (34895344914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28332866286 is a wasteful number, since it uses less digits than its factorization.
28332866286 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2830 (or 2824 counting only the distinct ones).
The product of its digits is 7962624, while the sum is 54.
The spelling of 28332866286 in words is "twenty-eight billion, three hundred thirty-two million, eight hundred sixty-six thousand, two hundred eighty-six".
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