Base | Representation |
---|---|
bin | 1111001101000111… |
… | …10010100101100011 |
3 | 210001220022220200111 |
4 | 13212203302211203 |
5 | 113204223443334 |
6 | 3430003432151 |
7 | 406201166146 |
oct | 74643624543 |
9 | 23056286614 |
10 | 8163109219 |
11 | 3509953861 |
12 | 16b9985657 |
13 | a01281b55 |
14 | 57620605d |
15 | 32b9b9064 |
hex | 1e68f2963 |
8163109219 has 2 divisors, whose sum is σ = 8163109220. Its totient is φ = 8163109218.
The previous prime is 8163109187. The next prime is 8163109267. The reversal of 8163109219 is 9129013618.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 8163109219 - 25 = 8163109187 is a prime.
It is a super-2 number, since 2×81631092192 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (8163100219) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4081554609 + 4081554610.
It is an arithmetic number, because the mean of its divisors is an integer number (4081554610).
Almost surely, 28163109219 is an apocalyptic number.
8163109219 is a deficient number, since it is larger than the sum of its proper divisors (1).
8163109219 is an equidigital number, since it uses as much as digits as its factorization.
8163109219 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 23328, while the sum is 40.
The square root of 8163109219 is about 90349.9265024604. The cubic root of 8163109219 is about 2013.5010901185.
The spelling of 8163109219 in words is "eight billion, one hundred sixty-three million, one hundred nine thousand, two hundred nineteen".
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