Base | Representation |
---|---|
bin | 110001111110… |
… | …111110111001 |
3 | 220122200222112 |
4 | 301332332321 |
5 | 11323244113 |
6 | 1144502105 |
7 | 216242156 |
oct | 61767671 |
9 | 26580875 |
10 | 13103033 |
11 | 743a559 |
12 | 447a935 |
13 | 293a098 |
14 | 1a5122d |
15 | 123c5a8 |
hex | c7efb9 |
13103033 has 4 divisors (see below), whose sum is σ = 13232868. Its totient is φ = 12973200.
The previous prime is 13103023. The next prime is 13103047. The reversal of 13103033 is 33030131.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 10936249 + 2166784 = 3307^2 + 1472^2 .
It is a cyclic number.
It is not a de Polignac number, because 13103033 - 24 = 13103017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13102999 and 13103017.
It is not an unprimeable number, because it can be changed into a prime (13103023) 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 3 ways as a sum of consecutive naturals, for example, 64766 + ... + 64967.
It is an arithmetic number, because the mean of its divisors is an integer number (3308217).
Almost surely, 213103033 is an apocalyptic number.
It is an amenable number.
13103033 is a deficient number, since it is larger than the sum of its proper divisors (129835).
13103033 is a wasteful number, since it uses less digits than its factorization.
13103033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129834.
The product of its (nonzero) digits is 81, while the sum is 14.
The square root of 13103033 is about 3619.8111829210. The cubic root of 13103033 is about 235.7530273284.
Adding to 13103033 its reverse (33030131), we get a palindrome (46133164).
The spelling of 13103033 in words is "thirteen million, one hundred three thousand, thirty-three".
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