Base | Representation |
---|---|
bin | 11010100100011001… |
… | …110110111111000001 |
3 | 2201122011112220002221 |
4 | 122210121312333001 |
5 | 431411134433032 |
6 | 21034451011041 |
7 | 2026644250552 |
oct | 324431667701 |
9 | 81564486087 |
10 | 28528046017 |
11 | 1110a37a239 |
12 | 5641b99a81 |
13 | 28c8442603 |
14 | 1548b66329 |
15 | b1e7be597 |
hex | 6a4676fc1 |
28528046017 has 2 divisors, whose sum is σ = 28528046018. Its totient is φ = 28528046016.
The previous prime is 28528046011. The next prime is 28528046039. The reversal of 28528046017 is 71064082582.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 15330401856 + 13197644161 = 123816^2 + 114881^2 .
It is a cyclic number.
It is not a de Polignac number, because 28528046017 - 23 = 28528046009 is a prime.
It is not a weakly prime, because it can be changed into another prime (28528046011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14264023008 + 14264023009.
It is an arithmetic number, because the mean of its divisors is an integer number (14264023009).
Almost surely, 228528046017 is an apocalyptic number.
It is an amenable number.
28528046017 is a deficient number, since it is larger than the sum of its proper divisors (1).
28528046017 is an equidigital number, since it uses as much as digits as its factorization.
28528046017 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 215040, while the sum is 43.
The spelling of 28528046017 in words is "twenty-eight billion, five hundred twenty-eight million, forty-six thousand, seventeen".
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