Base | Representation |
---|---|
bin | 1011111100010010001100… |
… | …0011110000001011101101 |
3 | 1201111020121101222110010111 |
4 | 2333010203003300023231 |
5 | 3210111330110211341 |
6 | 43531551130340021 |
7 | 2523430103535511 |
oct | 277044303601355 |
9 | 51436541873114 |
10 | 13130303210221 |
11 | 420259194618a |
12 | 15808a7b8a611 |
13 | 74324a612c82 |
14 | 33571d89c141 |
15 | 17b838e40681 |
hex | bf1230f02ed |
13130303210221 has 4 divisors (see below), whose sum is σ = 13130314637472. Its totient is φ = 13130291782972.
The previous prime is 13130303210191. The next prime is 13130303210369. The reversal of 13130303210221 is 12201230303131.
13130303210221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 13130303210221 - 219 = 13130302685933 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13130303210192 and 13130303210201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13130303219221) 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, 3769591 + ... + 6361636.
It is an arithmetic number, because the mean of its divisors is an integer number (3282578659368).
Almost surely, 213130303210221 is an apocalyptic number.
It is an amenable number.
13130303210221 is a deficient number, since it is larger than the sum of its proper divisors (11427251).
13130303210221 is a wasteful number, since it uses less digits than its factorization.
13130303210221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11427250.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 13130303210221 its reverse (12201230303131), we get a palindrome (25331533513352).
The spelling of 13130303210221 in words is "thirteen trillion, one hundred thirty billion, three hundred three million, two hundred ten thousand, two hundred twenty-one".
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