Base | Representation |
---|---|
bin | 11000010000001001… |
… | …00011010110111111 |
3 | 1020121102000102200200 |
4 | 30020010203112333 |
5 | 203131200004043 |
6 | 5551554254543 |
7 | 640440556164 |
oct | 141004432677 |
9 | 36542012620 |
10 | 13020313023 |
11 | 5581699983 |
12 | 2634587453 |
13 | 12c6664743 |
14 | 8b733606b |
15 | 5131157d3 |
hex | 3081235bf |
13020313023 has 12 divisors (see below), whose sum is σ = 18922502040. Its totient is φ = 8626954896.
The previous prime is 13020313021. The next prime is 13020313037. The reversal of 13020313023 is 32031302031.
It is not a de Polignac number, because 13020313023 - 21 = 13020313021 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13020312987 and 13020313005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13020313021) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4436268 + ... + 4439201.
It is an arithmetic number, because the mean of its divisors is an integer number (1576875170).
Almost surely, 213020313023 is an apocalyptic number.
13020313023 is a deficient number, since it is larger than the sum of its proper divisors (5902189017).
13020313023 is a wasteful number, since it uses less digits than its factorization.
13020313023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8875638 (or 8875635 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 13020313023 its reverse (32031302031), we get a palindrome (45051615054).
The spelling of 13020313023 in words is "thirteen billion, twenty million, three hundred thirteen thousand, twenty-three".
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