Base | Representation |
---|---|
bin | 11001001100111011… |
… | …10111011101001001 |
3 | 1021220221120200212101 |
4 | 30212131313131021 |
5 | 210202221443132 |
6 | 10114332313401 |
7 | 656202233644 |
oct | 144635673511 |
9 | 37827520771 |
10 | 13530265417 |
11 | 5813533739 |
12 | 2757312861 |
13 | 13781c2816 |
14 | 924d5ca5b |
15 | 542c977e7 |
hex | 326777749 |
13530265417 has 4 divisors (see below), whose sum is σ = 13550251716. Its totient is φ = 13510279120.
The previous prime is 13530265349. The next prime is 13530265451. The reversal of 13530265417 is 71456203531.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71456203531 = 1289 ⋅55435379.
It can be written as a sum of positive squares in 2 ways, for example, as 13198333456 + 331931961 = 114884^2 + 18219^2 .
It is a cyclic number.
It is not a de Polignac number, because 13530265417 - 27 = 13530265289 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13530265477) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9992134 + ... + 9993487.
It is an arithmetic number, because the mean of its divisors is an integer number (3387562929).
Almost surely, 213530265417 is an apocalyptic number.
It is an amenable number.
13530265417 is a deficient number, since it is larger than the sum of its proper divisors (19986299).
13530265417 is an equidigital number, since it uses as much as digits as its factorization.
13530265417 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19986298.
The product of its (nonzero) digits is 75600, while the sum is 37.
Adding to 13530265417 its reverse (71456203531), we get a palindrome (84986468948).
The spelling of 13530265417 in words is "thirteen billion, five hundred thirty million, two hundred sixty-five thousand, four hundred seventeen".
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