Base | Representation |
---|---|
bin | 11010100000110101… |
… | …111100100110001001 |
3 | 2201111000010111012202 |
4 | 122200311330212021 |
5 | 431300341101134 |
6 | 21024514245545 |
7 | 2025320362451 |
oct | 324065744611 |
9 | 81430114182 |
10 | 28468300169 |
11 | 11089682301 |
12 | 5625b868b5 |
13 | 28b8c5423a |
14 | 1540c52d61 |
15 | b1941bd7e |
hex | 6a0d7c989 |
28468300169 has 2 divisors, whose sum is σ = 28468300170. Its totient is φ = 28468300168.
The previous prime is 28468300151. The next prime is 28468300177. The reversal of 28468300169 is 96100386482.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 14927952400 + 13540347769 = 122180^2 + 116363^2 .
It is a cyclic number.
It is not a de Polignac number, because 28468300169 - 28 = 28468299913 is a prime.
It is a super-2 number, since 2×284683001692 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (28468300369) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14234150084 + 14234150085.
It is an arithmetic number, because the mean of its divisors is an integer number (14234150085).
Almost surely, 228468300169 is an apocalyptic number.
It is an amenable number.
28468300169 is a deficient number, since it is larger than the sum of its proper divisors (1).
28468300169 is an equidigital number, since it uses as much as digits as its factorization.
28468300169 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 497664, while the sum is 47.
The spelling of 28468300169 in words is "twenty-eight billion, four hundred sixty-eight million, three hundred thousand, one hundred sixty-nine".
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