Base | Representation |
---|---|
bin | 11010010101110001… |
… | …110000110001100000 |
3 | 2201000001210200021000 |
4 | 122111301300301200 |
5 | 430410324410132 |
6 | 20554243232000 |
7 | 2020604406411 |
oct | 322561606140 |
9 | 81001720230 |
10 | 28282653792 |
11 | 10aa3903448 |
12 | 5593978600 |
13 | 2889654303 |
14 | 1524329808 |
15 | b07e9a87c |
hex | 695c70c60 |
28282653792 has 96 divisors (see below), whose sum is σ = 83248149600. Its totient is φ = 9341028864.
The previous prime is 28282653779. The next prime is 28282653821. The reversal of 28282653792 is 29735628282.
28282653792 is a `hidden beast` number, since 2 + 8 + 2 + 8 + 265 + 379 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55983 + ... + 244334.
It is an arithmetic number, because the mean of its divisors is an integer number (867168225).
Almost surely, 228282653792 is an apocalyptic number.
It is an amenable number.
28282653792 is an abundant number, since it is smaller than the sum of its proper divisors (54965495808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28282653792 is a wasteful number, since it uses less digits than its factorization.
28282653792 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 300445 (or 300431 counting only the distinct ones).
The product of its digits is 5806080, while the sum is 54.
The spelling of 28282653792 in words is "twenty-eight billion, two hundred eighty-two million, six hundred fifty-three thousand, seven hundred ninety-two".
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