Base | Representation |
---|---|
bin | 111111101010101100… |
… | …101011101110011001 |
3 | 20112110021100001200202 |
4 | 333222230223232121 |
5 | 2110001143411132 |
6 | 51223300511545 |
7 | 4640035121654 |
oct | 775254535631 |
9 | 215407301622 |
10 | 68362091417 |
11 | 26aa0689114 |
12 | 112ba3ab5b5 |
13 | 65a5ccac89 |
14 | 344729489b |
15 | 1ba1924762 |
hex | feab2bb99 |
68362091417 has 2 divisors, whose sum is σ = 68362091418. Its totient is φ = 68362091416.
The previous prime is 68362091387. The next prime is 68362091437. The reversal of 68362091417 is 71419026386.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 59487697801 + 8874393616 = 243901^2 + 94204^2 .
It is a cyclic number.
It is not a de Polignac number, because 68362091417 - 228 = 68093655961 is a prime.
It is not a weakly prime, because it can be changed into another prime (68362091437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34181045708 + 34181045709.
It is an arithmetic number, because the mean of its divisors is an integer number (34181045709).
Almost surely, 268362091417 is an apocalyptic number.
It is an amenable number.
68362091417 is a deficient number, since it is larger than the sum of its proper divisors (1).
68362091417 is an equidigital number, since it uses as much as digits as its factorization.
68362091417 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 435456, while the sum is 47.
The spelling of 68362091417 in words is "sixty-eight billion, three hundred sixty-two million, ninety-one thousand, four hundred seventeen".
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