Base | Representation |
---|---|
bin | 110001100110… |
… | …110011110010 |
3 | 220110200011022 |
4 | 301212303302 |
5 | 11312112033 |
6 | 1142415442 |
7 | 215350406 |
oct | 61466362 |
9 | 26420138 |
10 | 13004018 |
11 | 7382125 |
12 | 4431582 |
13 | 2903cb1 |
14 | 1a27106 |
15 | 121d098 |
hex | c66cf2 |
13004018 has 8 divisors (see below), whose sum is σ = 20532720. Its totient is φ = 6159780.
The previous prime is 13003987. The next prime is 13004051. The reversal of 13004018 is 81040031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 13003987 and 13004005.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171068 + ... + 171143.
It is an arithmetic number, because the mean of its divisors is an integer number (2566590).
Almost surely, 213004018 is an apocalyptic number.
13004018 is a deficient number, since it is larger than the sum of its proper divisors (7528702).
13004018 is a wasteful number, since it uses less digits than its factorization.
13004018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 342232.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 13004018 is about 3606.1084287636. The cubic root of 13004018 is about 235.1576910531.
Adding to 13004018 its reverse (81040031), we get a palindrome (94044049).
The spelling of 13004018 in words is "thirteen million, four thousand, eighteen".
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