Base | Representation |
---|---|
bin | 110001111110… |
… | …101110110011 |
3 | 220122122120101 |
4 | 301332232303 |
5 | 11323231003 |
6 | 1144453231 |
7 | 216236155 |
oct | 61765663 |
9 | 26578511 |
10 | 13102003 |
11 | 7439802 |
12 | 447a217 |
13 | 2939785 |
14 | 1a50ad5 |
15 | 123c11d |
hex | c7ebb3 |
13102003 has 2 divisors, whose sum is σ = 13102004. Its totient is φ = 13102002.
The previous prime is 13101983. The next prime is 13102009. The reversal of 13102003 is 30020131.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13102003 is a prime.
It is a super-2 number, since 2×131020032 = 343324965224018, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (13102009) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551001 + 6551002.
It is an arithmetic number, because the mean of its divisors is an integer number (6551002).
Almost surely, 213102003 is an apocalyptic number.
13102003 is a deficient number, since it is larger than the sum of its proper divisors (1).
13102003 is an equidigital number, since it uses as much as digits as its factorization.
13102003 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 13102003 is about 3619.6689075107. The cubic root of 13102003 is about 235.7468498279.
Adding to 13102003 its reverse (30020131), we get a palindrome (43122134).
The spelling of 13102003 in words is "thirteen million, one hundred two thousand, three".
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