Base | Representation |
---|---|
bin | 11010110010000100… |
… | …101000110001100110 |
3 | 2202020011001102222200 |
4 | 122302010220301212 |
5 | 432343341120224 |
6 | 21113322035330 |
7 | 2035430362554 |
oct | 326204506146 |
9 | 82204042880 |
10 | 28757363814 |
11 | 11217867083 |
12 | 56a6948b46 |
13 | 2933ac320a |
14 | 156b3babd4 |
15 | b349ba5c9 |
hex | 6b2128c66 |
28757363814 has 24 divisors (see below), whose sum is σ = 63363685320. Its totient is φ = 9423316608.
The previous prime is 28757363753. The next prime is 28757363819. The reversal of 28757363814 is 41836375782.
It is a happy number.
28757363814 is a `hidden beast` number, since 2 + 8 + 7 + 573 + 63 + 8 + 1 + 4 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28757363819) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13538187 + ... + 13540310.
It is an arithmetic number, because the mean of its divisors is an integer number (2640153555).
Almost surely, 228757363814 is an apocalyptic number.
28757363814 is an abundant number, since it is smaller than the sum of its proper divisors (34606321506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28757363814 is a wasteful number, since it uses less digits than its factorization.
28757363814 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27078564 (or 27078561 counting only the distinct ones).
The product of its digits is 6773760, while the sum is 54.
The spelling of 28757363814 in words is "twenty-eight billion, seven hundred fifty-seven million, three hundred sixty-three thousand, eight hundred fourteen".
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