Base | Representation |
---|---|
bin | 11000011010000000… |
… | …00011101111001011 |
3 | 1020211011122102201012 |
4 | 30031000003233023 |
5 | 203313333133003 |
6 | 10004111114135 |
7 | 642463561262 |
oct | 141500035713 |
9 | 36734572635 |
10 | 13103021003 |
11 | 561434a686 |
12 | 265821294b |
13 | 130a832587 |
14 | 8c43055d9 |
15 | 51a5018d8 |
hex | 30d003bcb |
13103021003 has 4 divisors (see below), whose sum is σ = 13317824688. Its totient is φ = 12888217320.
The previous prime is 13103020951. The next prime is 13103021033. The reversal of 13103021003 is 30012030131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30012030131 = 113 ⋅265593187.
It is a cyclic number.
It is not a de Polignac number, because 13103021003 - 28 = 13103020747 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13103021033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107401751 + ... + 107401872.
It is an arithmetic number, because the mean of its divisors is an integer number (3329456172).
Almost surely, 213103021003 is an apocalyptic number.
13103021003 is a deficient number, since it is larger than the sum of its proper divisors (214803685).
13103021003 is an equidigital number, since it uses as much as digits as its factorization.
13103021003 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 214803684.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 13103021003 its reverse (30012030131), we get a palindrome (43115051134).
The spelling of 13103021003 in words is "thirteen billion, one hundred three million, twenty-one thousand, three".
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