Base | Representation |
---|---|
bin | 11000010000010000… |
… | …00011001110111101 |
3 | 1020121110202000120021 |
4 | 30020020003032331 |
5 | 203131413330023 |
6 | 5552030052141 |
7 | 640451425501 |
oct | 141010031675 |
9 | 36543660507 |
10 | 13021230013 |
11 | 5582165920 |
12 | 263494a051 |
13 | 12c68c5c3c |
14 | 8b74d4301 |
15 | 51324735d |
hex | 3082033bd |
13021230013 has 8 divisors (see below), whose sum is σ = 14210577216. Its totient is φ = 11832816000.
The previous prime is 13021229983. The next prime is 13021230017. The reversal of 13021230013 is 31003212031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13021230013 - 25 = 13021229981 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13021230017) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203956 + ... + 260077.
It is an arithmetic number, because the mean of its divisors is an integer number (1776322152).
Almost surely, 213021230013 is an apocalyptic number.
It is an amenable number.
13021230013 is a deficient number, since it is larger than the sum of its proper divisors (1189347203).
13021230013 is a wasteful number, since it uses less digits than its factorization.
13021230013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 466595.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 13021230013 its reverse (31003212031), we get a palindrome (44024442044).
The spelling of 13021230013 in words is "thirteen billion, twenty-one million, two hundred thirty thousand, thirteen".
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