Base | Representation |
---|---|
bin | 11010010011111111… |
… | …110111001000011111 |
3 | 2200220222121201021111 |
4 | 122103333313020133 |
5 | 430330203423143 |
6 | 20551255242451 |
7 | 2020062540646 |
oct | 322377671037 |
9 | 80828551244 |
10 | 28252795423 |
11 | 10a88a6a406 |
12 | 5585979427 |
13 | 28833cb938 |
14 | 152039635d |
15 | b0554d99d |
hex | 693ff721f |
28252795423 has 2 divisors, whose sum is σ = 28252795424. Its totient is φ = 28252795422.
The previous prime is 28252795393. The next prime is 28252795433. The reversal of 28252795423 is 32459725282.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28252795423 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28252795433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14126397711 + 14126397712.
It is an arithmetic number, because the mean of its divisors is an integer number (14126397712).
Almost surely, 228252795423 is an apocalyptic number.
28252795423 is a deficient number, since it is larger than the sum of its proper divisors (1).
28252795423 is an equidigital number, since it uses as much as digits as its factorization.
28252795423 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2419200, while the sum is 49.
The spelling of 28252795423 in words is "twenty-eight billion, two hundred fifty-two million, seven hundred ninety-five thousand, four hundred twenty-three".
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