Base | Representation |
---|---|
bin | 1111000110010101… |
… | …11000110111110111 |
3 | 202220221100011010002 |
4 | 13203022320313313 |
5 | 113100144442334 |
6 | 3420213021515 |
7 | 404610662051 |
oct | 74312706767 |
9 | 22827304102 |
10 | 8106249719 |
11 | 348a848437 |
12 | 16a292489b |
13 | 9c2564489 |
14 | 56c8448d1 |
15 | 3269d6b7e |
hex | 1e32b8df7 |
8106249719 has 2 divisors, whose sum is σ = 8106249720. Its totient is φ = 8106249718.
The previous prime is 8106249709. The next prime is 8106249721. The reversal of 8106249719 is 9179426018.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 8106249719 - 228 = 7837814263 is a prime.
It is a super-2 number, since 2×81062497192 (a number of 21 digits) contains 22 as substring.
It is a Sophie Germain prime.
Together with 8106249721, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8106249709) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4053124859 + 4053124860.
It is an arithmetic number, because the mean of its divisors is an integer number (4053124860).
Almost surely, 28106249719 is an apocalyptic number.
8106249719 is a deficient number, since it is larger than the sum of its proper divisors (1).
8106249719 is an equidigital number, since it uses as much as digits as its factorization.
8106249719 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 217728, while the sum is 47.
The square root of 8106249719 is about 90034.7139663363. The cubic root of 8106249719 is about 2008.8152320076.
The spelling of 8106249719 in words is "eight billion, one hundred six million, two hundred forty-nine thousand, seven hundred nineteen".
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