Base | Representation |
---|---|
bin | 110001101101… |
… | …001011111111 |
3 | 220111222222220 |
4 | 301231023333 |
5 | 11313431033 |
6 | 1143140423 |
7 | 215516520 |
oct | 61551377 |
9 | 26458886 |
10 | 13030143 |
11 | 739a815 |
12 | 4444713 |
13 | 2912b59 |
14 | 1a32847 |
15 | 1225bb3 |
hex | c6d2ff |
13030143 has 48 divisors (see below), whose sum is σ = 22398720. Its totient is φ = 6580224.
The previous prime is 13030123. The next prime is 13030151. The reversal of 13030143 is 34103031.
It is not a de Polignac number, because 13030143 - 26 = 13030079 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13030123) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115255 + ... + 115367.
It is an arithmetic number, because the mean of its divisors is an integer number (466640).
Almost surely, 213030143 is an apocalyptic number.
13030143 is a deficient number, since it is larger than the sum of its proper divisors (9368577).
13030143 is a wasteful number, since it uses less digits than its factorization.
13030143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 176 (or 159 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 13030143 is about 3609.7289371918. The cubic root of 13030143 is about 235.3150625461.
Adding to 13030143 its reverse (34103031), we get a palindrome (47133174).
The spelling of 13030143 in words is "thirteen million, thirty thousand, one hundred forty-three".
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