Base | Representation |
---|---|
bin | 111100011000011111… |
… | …010001100100100101 |
3 | 20012100111011121010221 |
4 | 330120133101210211 |
5 | 2030240323023221 |
6 | 45441314444341 |
7 | 4453452322162 |
oct | 743037214445 |
9 | 205314147127 |
10 | 64835361061 |
11 | 25550964429 |
12 | 106952936b1 |
13 | 6163462993 |
14 | 31d0b39069 |
15 | 1a46ed7541 |
hex | f187d1925 |
64835361061 has 2 divisors, whose sum is σ = 64835361062. Its totient is φ = 64835361060.
The previous prime is 64835361001. The next prime is 64835361083. The reversal of 64835361061 is 16016353846.
64835361061 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., 32828004225 + 32007356836 = 181185^2 + 178906^2 .
It is a cyclic number.
It is not a de Polignac number, because 64835361061 - 29 = 64835360549 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 64835360999 and 64835361017.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (64835361001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32417680530 + 32417680531.
It is an arithmetic number, because the mean of its divisors is an integer number (32417680531).
Almost surely, 264835361061 is an apocalyptic number.
It is an amenable number.
64835361061 is a deficient number, since it is larger than the sum of its proper divisors (1).
64835361061 is an equidigital number, since it uses as much as digits as its factorization.
64835361061 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 311040, while the sum is 43.
The spelling of 64835361061 in words is "sixty-four billion, eight hundred thirty-five million, three hundred sixty-one thousand, sixty-one".
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