Base | Representation |
---|---|
bin | 110001110110… |
… | …111101111101 |
3 | 220121000221200 |
4 | 301312331331 |
5 | 11321221310 |
6 | 1144050113 |
7 | 216044361 |
oct | 61667575 |
9 | 26530850 |
10 | 13070205 |
11 | 7417925 |
12 | 4463939 |
13 | 2928165 |
14 | 1a432a1 |
15 | 12329c0 |
hex | c76f7d |
13070205 has 24 divisors (see below), whose sum is σ = 22843392. Its totient is φ = 6912864.
The previous prime is 13070203. The next prime is 13070207. The reversal of 13070205 is 50207031.
It is an interprime number because it is at equal distance from previous prime (13070203) and next prime (13070207).
It is not a de Polignac number, because 13070205 - 21 = 13070203 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13070203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4572 + ... + 6858.
It is an arithmetic number, because the mean of its divisors is an integer number (951808).
Almost surely, 213070205 is an apocalyptic number.
13070205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13070205 is a deficient number, since it is larger than the sum of its proper divisors (9773187).
13070205 is a wasteful number, since it uses less digits than its factorization.
13070205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2425 (or 2422 counting only the distinct ones).
The product of its (nonzero) digits is 210, while the sum is 18.
The square root of 13070205 is about 3615.2738485487. The cubic root of 13070205 is about 235.5559794980. Note that the first 3 decimals are identical.
Adding to 13070205 its reverse (50207031), we get a palindrome (63277236).
The spelling of 13070205 in words is "thirteen million, seventy thousand, two hundred five".
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