Base | Representation |
---|---|
bin | 111111010111111000… |
… | …101100000111110111 |
3 | 20111122021102220210112 |
4 | 333113320230013313 |
5 | 2103324344043141 |
6 | 51132104013235 |
7 | 4626153315533 |
oct | 772770540767 |
9 | 214567386715 |
10 | 68046471671 |
11 | 26949506352 |
12 | 1123076121b |
13 | 65557c1729 |
14 | 34173b6bc3 |
15 | 1b83d7c7eb |
hex | fd7e2c1f7 |
68046471671 has 2 divisors, whose sum is σ = 68046471672. Its totient is φ = 68046471670.
The previous prime is 68046471641. The next prime is 68046471677. The reversal of 68046471671 is 17617464086.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68046471671 - 26 = 68046471607 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68046471677) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34023235835 + 34023235836.
It is an arithmetic number, because the mean of its divisors is an integer number (34023235836).
Almost surely, 268046471671 is an apocalyptic number.
68046471671 is a deficient number, since it is larger than the sum of its proper divisors (1).
68046471671 is an equidigital number, since it uses as much as digits as its factorization.
68046471671 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1354752, while the sum is 50.
The spelling of 68046471671 in words is "sixty-eight billion, forty-six million, four hundred seventy-one thousand, six hundred seventy-one".
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