Base | Representation |
---|---|
bin | 111100011010001110… |
… | …010111101010111101 |
3 | 20012102111222012100101 |
4 | 330122032113222331 |
5 | 2030320301442104 |
6 | 45444235001101 |
7 | 4454255005612 |
oct | 743216275275 |
9 | 205374865311 |
10 | 64864484029 |
11 | 255663459a4 |
12 | 106a2b99191 |
13 | 61694bb6c7 |
14 | 31d495a509 |
15 | 1a4983b5a4 |
hex | f1a397abd |
64864484029 has 2 divisors, whose sum is σ = 64864484030. Its totient is φ = 64864484028.
The previous prime is 64864483973. The next prime is 64864484053. The reversal of 64864484029 is 92048446846.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 60794299225 + 4070184804 = 246565^2 + 63798^2 .
It is a cyclic number.
It is not a de Polignac number, because 64864484029 - 229 = 64327613117 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (64864484429) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32432242014 + 32432242015.
It is an arithmetic number, because the mean of its divisors is an integer number (32432242015).
Almost surely, 264864484029 is an apocalyptic number.
It is an amenable number.
64864484029 is a deficient number, since it is larger than the sum of its proper divisors (1).
64864484029 is an equidigital number, since it uses as much as digits as its factorization.
64864484029 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10616832, while the sum is 55.
The spelling of 64864484029 in words is "sixty-four billion, eight hundred sixty-four million, four hundred eighty-four thousand, twenty-nine".
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