Base | Representation |
---|---|
bin | 110001111111… |
… | …011110101001 |
3 | 220122210202210 |
4 | 301333132221 |
5 | 11323330230 |
6 | 1144515333 |
7 | 216251121 |
oct | 61773651 |
9 | 26583683 |
10 | 13105065 |
11 | 7441036 |
12 | 447bb49 |
13 | 293ac9c |
14 | 1a51c81 |
15 | 123ceb0 |
hex | c7f7a9 |
13105065 has 8 divisors (see below), whose sum is σ = 20968128. Its totient is φ = 6989360.
The previous prime is 13105051. The next prime is 13105091. The reversal of 13105065 is 56050131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13105065 - 24 = 13105049 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436821 + ... + 436850.
It is an arithmetic number, because the mean of its divisors is an integer number (2621016).
Almost surely, 213105065 is an apocalyptic number.
13105065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13105065 is a deficient number, since it is larger than the sum of its proper divisors (7863063).
13105065 is an equidigital number, since it uses as much as digits as its factorization.
13105065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 873679.
The product of its (nonzero) digits is 450, while the sum is 21.
The square root of 13105065 is about 3620.0918496635. The cubic root of 13105065 is about 235.7652134482.
Adding to 13105065 its reverse (56050131), we get a palindrome (69155196).
The spelling of 13105065 in words is "thirteen million, one hundred five thousand, sixty-five".
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