Base | Representation |
---|---|
bin | 1100100110010… |
… | …01100011110111 |
3 | 21100212021002021 |
4 | 12103021203313 |
5 | 204023330231 |
6 | 14253054011 |
7 | 2422202155 |
oct | 623114367 |
9 | 240767067 |
10 | 105683191 |
11 | 54723389 |
12 | 2b487307 |
13 | 18b83543 |
14 | 100703d5 |
15 | 9428811 |
hex | 64c98f7 |
105683191 has 2 divisors, whose sum is σ = 105683192. Its totient is φ = 105683190.
The previous prime is 105683189. The next prime is 105683197. The reversal of 105683191 is 191386501.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 105683191 - 21 = 105683189 is a prime.
It is a super-2 number, since 2×1056831912 = 22337873719884962, which contains 22 as substring.
Together with 105683189, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (105683197) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52841595 + 52841596.
It is an arithmetic number, because the mean of its divisors is an integer number (52841596).
Almost surely, 2105683191 is an apocalyptic number.
105683191 is a deficient number, since it is larger than the sum of its proper divisors (1).
105683191 is an equidigital number, since it uses as much as digits as its factorization.
105683191 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6480, while the sum is 34.
The square root of 105683191 is about 10280.2330226508. The cubic root of 105683191 is about 472.7903887632.
The spelling of 105683191 in words is "one hundred five million, six hundred eighty-three thousand, one hundred ninety-one".
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