Base | Representation |
---|---|
bin | 11010010101111100… |
… | …011101011110110001 |
3 | 2201000021002011101122 |
4 | 122111330131132301 |
5 | 430412034131403 |
6 | 20554423312025 |
7 | 2020640300105 |
oct | 322574353661 |
9 | 81007064348 |
10 | 28285458353 |
11 | 10aa5449569 |
12 | 55948ab615 |
13 | 288a0c6a09 |
14 | 1524859905 |
15 | b08351838 |
hex | 695f1d7b1 |
28285458353 has 2 divisors, whose sum is σ = 28285458354. Its totient is φ = 28285458352.
The previous prime is 28285458349. The next prime is 28285458401. The reversal of 28285458353 is 35385458282.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 23669207104 + 4616251249 = 153848^2 + 67943^2 .
It is a cyclic number.
It is not a de Polignac number, because 28285458353 - 22 = 28285458349 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 28285458295 and 28285458304.
It is not a weakly prime, because it can be changed into another prime (28285458323) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14142729176 + 14142729177.
It is an arithmetic number, because the mean of its divisors is an integer number (14142729177).
Almost surely, 228285458353 is an apocalyptic number.
It is an amenable number.
28285458353 is a deficient number, since it is larger than the sum of its proper divisors (1).
28285458353 is an equidigital number, since it uses as much as digits as its factorization.
28285458353 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 9216000, while the sum is 53.
The spelling of 28285458353 in words is "twenty-eight billion, two hundred eighty-five million, four hundred fifty-eight thousand, three hundred fifty-three".
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