Base | Representation |
---|---|
bin | 1010000010000101… |
… | …00111001111111111 |
3 | 111220101000212010022 |
4 | 11001002213033333 |
5 | 42012324441031 |
6 | 2250244202355 |
7 | 250321462406 |
oct | 50102471777 |
9 | 14811025108 |
10 | 5386171391 |
11 | 2314398317 |
12 | 10639993bb |
13 | 67ab6aa83 |
14 | 3914a663d |
15 | 217cd797b |
hex | 1410a73ff |
5386171391 has 2 divisors, whose sum is σ = 5386171392. Its totient is φ = 5386171390.
The previous prime is 5386171279. The next prime is 5386171423. The reversal of 5386171391 is 1931716835.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-5386171391 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (5386971391) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2693085695 + 2693085696.
It is an arithmetic number, because the mean of its divisors is an integer number (2693085696).
Almost surely, 25386171391 is an apocalyptic number.
5386171391 is a deficient number, since it is larger than the sum of its proper divisors (1).
5386171391 is an equidigital number, since it uses as much as digits as its factorization.
5386171391 is an evil number, because the sum of its binary digits is even.
The product of its digits is 136080, while the sum is 44.
The square root of 5386171391 is about 73390.5402010368. The cubic root of 5386171391 is about 1752.9117665084.
The spelling of 5386171391 in words is "five billion, three hundred eighty-six million, one hundred seventy-one thousand, three hundred ninety-one".
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