Base | Representation |
---|---|
bin | 11010110101000011… |
… | …010111101010011101 |
3 | 2202100122010200021212 |
4 | 122311003113222131 |
5 | 432444141110404 |
6 | 21122305434205 |
7 | 2036605355501 |
oct | 326503275235 |
9 | 82318120255 |
10 | 28807363229 |
11 | 11243007407 |
12 | 56bb63b965 |
13 | 294127b278 |
14 | 1573cb4301 |
15 | b3909506e |
hex | 6b50d7a9d |
28807363229 has 2 divisors, whose sum is σ = 28807363230. Its totient is φ = 28807363228.
The previous prime is 28807363199. The next prime is 28807363231. The reversal of 28807363229 is 92236370882.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28387195225 + 420168004 = 168485^2 + 20498^2 .
It is a cyclic number.
It is not a de Polignac number, because 28807363229 - 28 = 28807362973 is a prime.
Together with 28807363231, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28807363289) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14403681614 + 14403681615.
It is an arithmetic number, because the mean of its divisors is an integer number (14403681615).
Almost surely, 228807363229 is an apocalyptic number.
It is an amenable number.
28807363229 is a deficient number, since it is larger than the sum of its proper divisors (1).
28807363229 is an equidigital number, since it uses as much as digits as its factorization.
28807363229 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1741824, while the sum is 50.
The spelling of 28807363229 in words is "twenty-eight billion, eight hundred seven million, three hundred sixty-three thousand, two hundred twenty-nine".
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