Base | Representation |
---|---|
bin | 11000001111010010… |
… | …00011001100101011 |
3 | 1020120220110010221201 |
4 | 30013221003030223 |
5 | 203122323302103 |
6 | 5551135545031 |
7 | 640322360656 |
oct | 140751031453 |
9 | 36526403851 |
10 | 13013103403 |
11 | 5578615213 |
12 | 263208b177 |
13 | 12c500bcb1 |
14 | 8b63ba89d |
15 | 51268e51d |
hex | 307a4332b |
13013103403 has 4 divisors (see below), whose sum is σ = 13020773400. Its totient is φ = 13005433408.
The previous prime is 13013103371. The next prime is 13013103431. The reversal of 13013103403 is 30430131031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30430131031 = 3307 ⋅9201733.
It is a cyclic number.
It is not a de Polignac number, because 13013103403 - 25 = 13013103371 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13013100403) 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, 3832453 + ... + 3835846.
It is an arithmetic number, because the mean of its divisors is an integer number (3255193350).
Almost surely, 213013103403 is an apocalyptic number.
13013103403 is a deficient number, since it is larger than the sum of its proper divisors (7669997).
13013103403 is an equidigital number, since it uses as much as digits as its factorization.
13013103403 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7669996.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 13013103403 its reverse (30430131031), we get a palindrome (43443234434).
The spelling of 13013103403 in words is "thirteen billion, thirteen million, one hundred three thousand, four hundred three".
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