Base | Representation |
---|---|
bin | 11010111100001110… |
… | …001000010000010000 |
3 | 2202200000102120100012 |
4 | 122330032020100100 |
5 | 433220432433313 |
6 | 21142243214052 |
7 | 2042565514550 |
oct | 327416102020 |
9 | 82600376305 |
10 | 28927624208 |
11 | 112a498724a |
12 | 5733977328 |
13 | 2960166c02 |
14 | 1585c5b160 |
15 | b448ecda8 |
hex | 6bc388410 |
28927624208 has 40 divisors (see below), whose sum is σ = 66120291840. Its totient is φ = 11997630720.
The previous prime is 28927624189. The next prime is 28927624211. The reversal of 28927624208 is 80242672982.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4162373 + ... + 4169316.
It is an arithmetic number, because the mean of its divisors is an integer number (1653007296).
Almost surely, 228927624208 is an apocalyptic number.
28927624208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
28927624208 is an abundant number, since it is smaller than the sum of its proper divisors (37192667632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28927624208 is a wasteful number, since it uses less digits than its factorization.
28927624208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8331735 (or 8331729 counting only the distinct ones).
The product of its (nonzero) digits is 1548288, while the sum is 50.
The spelling of 28927624208 in words is "twenty-eight billion, nine hundred twenty-seven million, six hundred twenty-four thousand, two hundred eight".
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