Base | Representation |
---|---|
bin | 11010100101111001… |
… | …111111110101001111 |
3 | 2201200220222021211122 |
4 | 122211321333311033 |
5 | 431434112414304 |
6 | 21041151111155 |
7 | 2030401414136 |
oct | 324571776517 |
9 | 81626867748 |
10 | 28553248079 |
11 | 11122622994 |
12 | 564a5124bb |
13 | 2900727785 |
14 | 154c24691d |
15 | b21aeb9be |
hex | 6a5e7fd4f |
28553248079 has 2 divisors, whose sum is σ = 28553248080. Its totient is φ = 28553248078.
The previous prime is 28553248039. The next prime is 28553248081. The reversal of 28553248079 is 97084235582.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28553248079 - 224 = 28536470863 is a prime.
Together with 28553248081, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 28553248079.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28553248019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14276624039 + 14276624040.
It is an arithmetic number, because the mean of its divisors is an integer number (14276624040).
Almost surely, 228553248079 is an apocalyptic number.
28553248079 is a deficient number, since it is larger than the sum of its proper divisors (1).
28553248079 is an equidigital number, since it uses as much as digits as its factorization.
28553248079 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4838400, while the sum is 53.
The spelling of 28553248079 in words is "twenty-eight billion, five hundred fifty-three million, two hundred forty-eight thousand, seventy-nine".
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