Base | Representation |
---|---|
bin | 110000100001… |
… | …010000000001 |
3 | 212221012022222 |
4 | 300201100001 |
5 | 11224002410 |
6 | 1132340425 |
7 | 213052640 |
oct | 60412001 |
9 | 25835288 |
10 | 12719105 |
11 | 71a8063 |
12 | 4314715 |
13 | 28343c9 |
14 | 1991357 |
15 | 11b3955 |
hex | c21401 |
12719105 has 8 divisors (see below), whose sum is σ = 17443392. Its totient is φ = 8721648.
The previous prime is 12719089. The next prime is 12719107. The reversal of 12719105 is 50191721.
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 12719105 - 24 = 12719089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12719107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181667 + ... + 181736.
It is an arithmetic number, because the mean of its divisors is an integer number (2180424).
Almost surely, 212719105 is an apocalyptic number.
It is an amenable number.
12719105 is a deficient number, since it is larger than the sum of its proper divisors (4724287).
12719105 is an equidigital number, since it uses as much as digits as its factorization.
12719105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 363415.
The product of its (nonzero) digits is 630, while the sum is 26.
The square root of 12719105 is about 3566.3854250487. The cubic root of 12719105 is about 233.4275889042.
The spelling of 12719105 in words is "twelve million, seven hundred nineteen thousand, one hundred five".
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