Base | Representation |
---|---|
bin | 111100010001000100… |
… | …010100110010101101 |
3 | 20012000210220002002221 |
4 | 330101010110302231 |
5 | 2030011434341403 |
6 | 45421110115341 |
7 | 4450411125220 |
oct | 742104246255 |
9 | 205023802087 |
10 | 64710855853 |
11 | 25497655866 |
12 | 1065b64bb51 |
13 | 614371c267 |
14 | 31bc3a95b7 |
15 | 1a3b0e1dbd |
hex | f11114cad |
64710855853 has 16 divisors (see below), whose sum is σ = 77634846720. Its totient is φ = 52767414000.
The previous prime is 64710855851. The next prime is 64710855863. The reversal of 64710855853 is 35855801746.
It is not a de Polignac number, because 64710855853 - 21 = 64710855851 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 64710855853.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64710855851) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2514373 + ... + 2539978.
It is an arithmetic number, because the mean of its divisors is an integer number (4852177920).
Almost surely, 264710855853 is an apocalyptic number.
It is an amenable number.
64710855853 is a deficient number, since it is larger than the sum of its proper divisors (12923990867).
64710855853 is a wasteful number, since it uses less digits than its factorization.
64710855853 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5054448.
The product of its (nonzero) digits is 4032000, while the sum is 52.
The spelling of 64710855853 in words is "sixty-four billion, seven hundred ten million, eight hundred fifty-five thousand, eight hundred fifty-three".
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