Base | Representation |
---|---|
bin | 11000010000001111… |
… | …01000111100001001 |
3 | 1020121110112112211101 |
4 | 30020013220330021 |
5 | 203131401403223 |
6 | 5552023501401 |
7 | 640450466503 |
oct | 141007507411 |
9 | 36543475741 |
10 | 13021122313 |
11 | 55820a1a11 |
12 | 26348b7861 |
13 | 12c6888c04 |
14 | 8b74a6d73 |
15 | 5132254ad |
hex | 3081e8f09 |
13021122313 has 8 divisors (see below), whose sum is σ = 13736445920. Its totient is φ = 12308798880.
The previous prime is 13021122311. The next prime is 13021122383. The reversal of 13021122313 is 31322112031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13021122313 - 21 = 13021122311 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13021122311) 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, 741123 + ... + 758488.
It is an arithmetic number, because the mean of its divisors is an integer number (1717055740).
Almost surely, 213021122313 is an apocalyptic number.
It is an amenable number.
13021122313 is a deficient number, since it is larger than the sum of its proper divisors (715323607).
13021122313 is a wasteful number, since it uses less digits than its factorization.
13021122313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1500087.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 13021122313 its reverse (31322112031), we get a palindrome (44343234344).
The spelling of 13021122313 in words is "thirteen billion, twenty-one million, one hundred twenty-two thousand, three hundred thirteen".
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