Base | Representation |
---|---|
bin | 11000010000010001… |
… | …01101001111111001 |
3 | 1020121111001202122001 |
4 | 30020020231033321 |
5 | 203131434331410 |
6 | 5552033501001 |
7 | 640453043305 |
oct | 141010551771 |
9 | 36544052561 |
10 | 13021402105 |
11 | 5582273148 |
12 | 2634a11761 |
13 | 12c695637a |
14 | 8b753ad05 |
15 | 51327d33a |
hex | 30822d3f9 |
13021402105 has 8 divisors (see below), whose sum is σ = 15628254912. Its totient is φ = 10415406768.
The previous prime is 13021402087. The next prime is 13021402133. The reversal of 13021402105 is 50120412031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13021402105 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180469 + ... + 242098.
It is an arithmetic number, because the mean of its divisors is an integer number (1953531864).
Almost surely, 213021402105 is an apocalyptic number.
It is an amenable number.
13021402105 is a deficient number, since it is larger than the sum of its proper divisors (2606852807).
13021402105 is an equidigital number, since it uses as much as digits as its factorization.
13021402105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 428735.
The product of its (nonzero) digits is 240, while the sum is 19.
Adding to 13021402105 its reverse (50120412031), we get a palindrome (63141814136).
The spelling of 13021402105 in words is "thirteen billion, twenty-one million, four hundred two thousand, one hundred five".
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