Base | Representation |
---|---|
bin | 11010100111101000… |
… | …101100000100100100 |
3 | 2201202221120111202000 |
4 | 122213220230010210 |
5 | 432014024440444 |
6 | 21044105045300 |
7 | 2031203150010 |
oct | 324750540444 |
9 | 81687514660 |
10 | 28582265124 |
11 | 11137a41916 |
12 | 5658186830 |
13 | 290674721a |
14 | 155203b540 |
15 | b2442e469 |
hex | 6a7a2c124 |
28582265124 has 384 divisors, whose sum is σ = 89739632640. Its totient is φ = 7698240000.
The previous prime is 28582265083. The next prime is 28582265171. The reversal of 28582265124 is 42156228582.
28582265124 is a `hidden beast` number, since 2 + 8 + 582 + 2 + 65 + 1 + 2 + 4 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 28582265124.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 189286449 + ... + 189286599.
It is an arithmetic number, because the mean of its divisors is an integer number (233696960).
Almost surely, 228582265124 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28582265124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44869816320).
28582265124 is an abundant number, since it is smaller than the sum of its proper divisors (61157367516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28582265124 is a wasteful number, since it uses less digits than its factorization.
28582265124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 376 (or 368 counting only the distinct ones).
The product of its digits is 614400, while the sum is 45.
The spelling of 28582265124 in words is "twenty-eight billion, five hundred eighty-two million, two hundred sixty-five thousand, one hundred twenty-four".
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