Base | Representation |
---|---|
bin | 11010100000101011… |
… | …111100100000101011 |
3 | 2201110211012021210102 |
4 | 122200223330200223 |
5 | 431244203202004 |
6 | 21024342140015 |
7 | 2025256162655 |
oct | 324053744053 |
9 | 81424167712 |
10 | 28465678379 |
11 | 11088151536 |
12 | 562512160b |
13 | 28b8546a98 |
14 | 154076d6d5 |
15 | b190a011e |
hex | 6a0afc82b |
28465678379 has 2 divisors, whose sum is σ = 28465678380. Its totient is φ = 28465678378.
The previous prime is 28465678369. The next prime is 28465678391. The reversal of 28465678379 is 97387656482.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28465678379 - 28 = 28465678123 is a prime.
It is not a weakly prime, because it can be changed into another prime (28465678349) 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, 14232839189 + 14232839190.
It is an arithmetic number, because the mean of its divisors is an integer number (14232839190).
Almost surely, 228465678379 is an apocalyptic number.
28465678379 is a deficient number, since it is larger than the sum of its proper divisors (1).
28465678379 is an equidigital number, since it uses as much as digits as its factorization.
28465678379 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 121927680, while the sum is 65.
The spelling of 28465678379 in words is "twenty-eight billion, four hundred sixty-five million, six hundred seventy-eight thousand, three hundred seventy-nine".
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