Base | Representation |
---|---|
bin | 11000100101101110… |
… | …01010001110001110 |
3 | 1021002000200010212220 |
4 | 30102313022032032 |
5 | 204014021222231 |
6 | 10021542440210 |
7 | 645066431304 |
oct | 142267121616 |
9 | 37060603786 |
10 | 13201351566 |
11 | 5664900907 |
12 | 2685133066 |
13 | 1325010240 |
14 | 8d33c0274 |
15 | 523e76896 |
hex | 312dca38e |
13201351566 has 64 divisors (see below), whose sum is σ = 28929954816. Its totient is φ = 3991363200.
The previous prime is 13201351543. The next prime is 13201351567. The reversal of 13201351566 is 66515310231.
13201351566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13201351567) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2249476 + ... + 2255336.
It is an arithmetic number, because the mean of its divisors is an integer number (452030544).
Almost surely, 213201351566 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13201351566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14464977408).
13201351566 is an abundant number, since it is smaller than the sum of its proper divisors (15728603250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13201351566 is a wasteful number, since it uses less digits than its factorization.
13201351566 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6377.
The product of its (nonzero) digits is 16200, while the sum is 33.
Adding to 13201351566 its reverse (66515310231), we get a palindrome (79716661797).
The spelling of 13201351566 in words is "thirteen billion, two hundred one million, three hundred fifty-one thousand, five hundred sixty-six".
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