Base | Representation |
---|---|
bin | 111011101010110110… |
… | …100100010011000001 |
3 | 20010101010110202101111 |
4 | 323222312210103001 |
5 | 2022203321341022 |
6 | 45233324203321 |
7 | 4425464410261 |
oct | 735266442301 |
9 | 203333422344 |
10 | 64069715137 |
11 | 251987582aa |
12 | 10500999541 |
13 | 607094a85c |
14 | 315b1937a1 |
15 | 19eeb99477 |
hex | eeada44c1 |
64069715137 has 2 divisors, whose sum is σ = 64069715138. Its totient is φ = 64069715136.
The previous prime is 64069715089. The next prime is 64069715153. The reversal of 64069715137 is 73151796046.
64069715137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 61863628176 + 2206086961 = 248724^2 + 46969^2 .
It is a cyclic number.
It is not a de Polignac number, because 64069715137 - 223 = 64061326529 is a prime.
It is not a weakly prime, because it can be changed into another prime (64069715197) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32034857568 + 32034857569.
It is an arithmetic number, because the mean of its divisors is an integer number (32034857569).
Almost surely, 264069715137 is an apocalyptic number.
It is an amenable number.
64069715137 is a deficient number, since it is larger than the sum of its proper divisors (1).
64069715137 is an equidigital number, since it uses as much as digits as its factorization.
64069715137 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 952560, while the sum is 49.
The spelling of 64069715137 in words is "sixty-four billion, sixty-nine million, seven hundred fifteen thousand, one hundred thirty-seven".
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