Base | Representation |
---|---|
bin | 110001101010… |
… | …101111000111 |
3 | 220111111020001 |
4 | 301222233013 |
5 | 11313120403 |
6 | 1143022131 |
7 | 215445325 |
oct | 61525707 |
9 | 26444201 |
10 | 13020103 |
11 | 7393218 |
12 | 443a947 |
13 | 290b405 |
14 | 1a2cd15 |
15 | 1222c1d |
hex | c6abc7 |
13020103 has 2 divisors, whose sum is σ = 13020104. Its totient is φ = 13020102.
The previous prime is 13020071. The next prime is 13020109. The reversal of 13020103 is 30102031.
It is a strong prime.
It is an emirp because it is prime and its reverse (30102031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13020103 - 25 = 13020071 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13020103.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13020109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510051 + 6510052.
It is an arithmetic number, because the mean of its divisors is an integer number (6510052).
Almost surely, 213020103 is an apocalyptic number.
13020103 is a deficient number, since it is larger than the sum of its proper divisors (1).
13020103 is an equidigital number, since it uses as much as digits as its factorization.
13020103 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 13020103 is about 3608.3379830609. The cubic root of 13020103 is about 235.2546086101.
Adding to 13020103 its reverse (30102031), we get a palindrome (43122134).
The spelling of 13020103 in words is "thirteen million, twenty thousand, one hundred three".
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