Base | Representation |
---|---|
bin | 110001111110… |
… | …111111111111 |
3 | 220122201002010 |
4 | 301332333333 |
5 | 11323244403 |
6 | 1144502303 |
7 | 216242316 |
oct | 61767777 |
9 | 26581063 |
10 | 13103103 |
11 | 743a612 |
12 | 447a993 |
13 | 293a120 |
14 | 1a5127d |
15 | 123c603 |
hex | c7efff |
13103103 has 16 divisors (see below), whose sum is σ = 19806080. Its totient is φ = 7638624.
The previous prime is 13103087. The next prime is 13103147. The reversal of 13103103 is 30130131.
It is not a de Polignac number, because 13103103 - 24 = 13103087 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13103303) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8101 + ... + 9582.
It is an arithmetic number, because the mean of its divisors is an integer number (1237880).
Almost surely, 213103103 is an apocalyptic number.
13103103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
13103103 is a deficient number, since it is larger than the sum of its proper divisors (6702977).
13103103 is a wasteful number, since it uses less digits than its factorization.
13103103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17718.
The product of its (nonzero) digits is 27, while the sum is 12.
The square root of 13103103 is about 3619.8208519207. The cubic root of 13103103 is about 235.7534471468.
Adding to 13103103 its reverse (30130131), we get a palindrome (43233234).
The spelling of 13103103 in words is "thirteen million, one hundred three thousand, one hundred three".
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