Base | Representation |
---|---|
bin | 110000011000… |
… | …001101111001 |
3 | 212212022120121 |
4 | 300120031321 |
5 | 11221311410 |
6 | 1131453241 |
7 | 212540032 |
oct | 60301571 |
9 | 25768517 |
10 | 12682105 |
11 | 7182287 |
12 | 42b7221 |
13 | 2820607 |
14 | 1981a89 |
15 | 11a79da |
hex | c18379 |
12682105 has 8 divisors (see below), whose sum is σ = 15505992. Its totient is φ = 9954048.
The previous prime is 12682097. The next prime is 12682129. The reversal of 12682105 is 50128621.
It can be written as a sum of positive squares in 4 ways, for example, as 2493241 + 10188864 = 1579^2 + 3192^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12682105 - 23 = 12682097 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12682105.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23664 + ... + 24193.
It is an arithmetic number, because the mean of its divisors is an integer number (1938249).
Almost surely, 212682105 is an apocalyptic number.
It is an amenable number.
12682105 is a deficient number, since it is larger than the sum of its proper divisors (2823887).
12682105 is an equidigital number, since it uses as much as digits as its factorization.
12682105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47915.
The product of its (nonzero) digits is 960, while the sum is 25.
The square root of 12682105 is about 3561.1943221341. The cubic root of 12682105 is about 233.2010213584.
The spelling of 12682105 in words is "twelve million, six hundred eighty-two thousand, one hundred five".
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