Base | Representation |
---|---|
bin | 111011111011011100… |
… | …101100010010110111 |
3 | 20011002112101110010002 |
4 | 323323130230102313 |
5 | 2023241111113243 |
6 | 45321112021515 |
7 | 4435415130524 |
oct | 737334542267 |
9 | 204075343102 |
10 | 64348144823 |
11 | 25320939686 |
12 | 1057a09189b |
13 | 60b6535551 |
14 | 318615014b |
15 | 1a19346eb8 |
hex | efb72c4b7 |
64348144823 has 2 divisors, whose sum is σ = 64348144824. Its totient is φ = 64348144822.
The previous prime is 64348144801. The next prime is 64348144837. The reversal of 64348144823 is 32844184346.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 64348144823 - 216 = 64348079287 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (64348144843) 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, 32174072411 + 32174072412.
It is an arithmetic number, because the mean of its divisors is an integer number (32174072412).
Almost surely, 264348144823 is an apocalyptic number.
64348144823 is a deficient number, since it is larger than the sum of its proper divisors (1).
64348144823 is an equidigital number, since it uses as much as digits as its factorization.
64348144823 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1769472, while the sum is 47.
The spelling of 64348144823 in words is "sixty-four billion, three hundred forty-eight million, one hundred forty-four thousand, eight hundred twenty-three".
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