Base | Representation |
---|---|
bin | 11010101001001011… |
… | …010111011011110101 |
3 | 2201211202020201121001 |
4 | 122221023113123311 |
5 | 432042140222403 |
6 | 21050431323301 |
7 | 2031636055066 |
oct | 325113273365 |
9 | 81752221531 |
10 | 28608132853 |
11 | 111505aa703 |
12 | 5664980531 |
13 | 290bc03381 |
14 | 155565256d |
15 | b2683dc1d |
hex | 6a92d76f5 |
28608132853 has 4 divisors (see below), whose sum is σ = 28608598048. Its totient is φ = 28607667660.
The previous prime is 28608132851. The next prime is 28608132869. The reversal of 28608132853 is 35823180682.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 28608132853 - 21 = 28608132851 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28608132851) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123201 + ... + 269062.
It is an arithmetic number, because the mean of its divisors is an integer number (7152149512).
Almost surely, 228608132853 is an apocalyptic number.
It is an amenable number.
28608132853 is a deficient number, since it is larger than the sum of its proper divisors (465195).
28608132853 is an equidigital number, since it uses as much as digits as its factorization.
28608132853 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 465194.
The product of its (nonzero) digits is 552960, while the sum is 46.
The spelling of 28608132853 in words is "twenty-eight billion, six hundred eight million, one hundred thirty-two thousand, eight hundred fifty-three".
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