Base | Representation |
---|---|
bin | 11010110111011111… |
… | …101010100110011101 |
3 | 2202110111020021100112 |
4 | 122313133222212131 |
5 | 433040133212021 |
6 | 21130331535405 |
7 | 2040613542464 |
oct | 326737524635 |
9 | 82414207315 |
10 | 28848335261 |
11 | 11264151299 |
12 | 57112ba565 |
13 | 29498c5385 |
14 | 15794db9db |
15 | b3c989d5b |
hex | 6b77ea99d |
28848335261 has 2 divisors, whose sum is σ = 28848335262. Its totient is φ = 28848335260.
The previous prime is 28848335239. The next prime is 28848335371. The reversal of 28848335261 is 16253384882.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 20223684100 + 8624651161 = 142210^2 + 92869^2 .
It is a cyclic number.
It is not a de Polignac number, because 28848335261 - 222 = 28844140957 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28848335221) 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, 14424167630 + 14424167631.
It is an arithmetic number, because the mean of its divisors is an integer number (14424167631).
Almost surely, 228848335261 is an apocalyptic number.
It is an amenable number.
28848335261 is a deficient number, since it is larger than the sum of its proper divisors (1).
28848335261 is an equidigital number, since it uses as much as digits as its factorization.
28848335261 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2211840, while the sum is 50.
The spelling of 28848335261 in words is "twenty-eight billion, eight hundred forty-eight million, three hundred thirty-five thousand, two hundred sixty-one".
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