Base | Representation |
---|---|
bin | 11010011010011011… |
… | …100100111011000110 |
3 | 2201012111201001200100 |
4 | 122122123210323012 |
5 | 431040321133131 |
6 | 21010112424530 |
7 | 2022543115005 |
oct | 323233447306 |
9 | 81174631610 |
10 | 28360724166 |
11 | 11033986915 |
12 | 55b5b48146 |
13 | 289c88a2b8 |
14 | 153084cc3c |
15 | b0ec6c7e6 |
hex | 69a6e4ec6 |
28360724166 has 12 divisors (see below), whose sum is σ = 61448235732. Its totient is φ = 9453574716.
The previous prime is 28360724123. The next prime is 28360724191. The reversal of 28360724166 is 66142706382.
28360724166 is a `hidden beast` number, since 2 + 8 + 3 + 607 + 24 + 16 + 6 = 666.
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 5 ways as a sum of consecutive naturals, for example, 787797876 + ... + 787797911.
It is an arithmetic number, because the mean of its divisors is an integer number (5120686311).
Almost surely, 228360724166 is an apocalyptic number.
28360724166 is an abundant number, since it is smaller than the sum of its proper divisors (33087511566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28360724166 is a wasteful number, since it uses less digits than its factorization.
28360724166 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1575595795 (or 1575595792 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 45.
The spelling of 28360724166 in words is "twenty-eight billion, three hundred sixty million, seven hundred twenty-four thousand, one hundred sixty-six".
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