Base | Representation |
---|---|
bin | 11010100110010111… |
… | …011101001010000000 |
3 | 2201201110111121211100 |
4 | 122212113131022000 |
5 | 431443102022433 |
6 | 21042024414400 |
7 | 2030524146120 |
oct | 324627351200 |
9 | 81643447740 |
10 | 28560970368 |
11 | 11126a17847 |
12 | 5651017400 |
13 | 29021cc688 |
14 | 154d296c80 |
15 | b22624b13 |
hex | 6a65dd280 |
28560970368 has 96 divisors (see below), whose sum is σ = 93928217760. Its totient is φ = 8160274944.
The previous prime is 28560970327. The next prime is 28560970379. The reversal of 28560970368 is 86307906582.
It is a happy number.
28560970368 is a `hidden beast` number, since 2 + 8 + 560 + 9 + 70 + 3 + 6 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1762830 + ... + 1778957.
It is an arithmetic number, because the mean of its divisors is an integer number (978418935).
Almost surely, 228560970368 is an apocalyptic number.
28560970368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
28560970368 is an abundant number, since it is smaller than the sum of its proper divisors (65367247392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28560970368 is a wasteful number, since it uses less digits than its factorization.
28560970368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3541814 (or 3541799 counting only the distinct ones).
The product of its (nonzero) digits is 4354560, while the sum is 54.
The spelling of 28560970368 in words is "twenty-eight billion, five hundred sixty million, nine hundred seventy thousand, three hundred sixty-eight".
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