Base | Representation |
---|---|
bin | 11001001111001001… |
… | …10100001010101001 |
3 | 1021222020120121120001 |
4 | 30213210310022221 |
5 | 210222002123134 |
6 | 10120235103001 |
7 | 656516305501 |
oct | 144744641251 |
9 | 37866517501 |
10 | 13548864169 |
11 | 5822a87205 |
12 | 27615a1a61 |
13 | 137c0051b9 |
14 | 927600a01 |
15 | 54471d414 |
hex | 3279342a9 |
13548864169 has 2 divisors, whose sum is σ = 13548864170. Its totient is φ = 13548864168.
The previous prime is 13548864163. The next prime is 13548864283. The reversal of 13548864169 is 96146884531.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11612864169 + 1936000000 = 107763^2 + 44000^2 .
It is an emirp because it is prime and its reverse (96146884531) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13548864169 - 25 = 13548864137 is a prime.
It is a super-2 number, since 2×135488641692 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (13548864163) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6774432084 + 6774432085.
It is an arithmetic number, because the mean of its divisors is an integer number (6774432085).
Almost surely, 213548864169 is an apocalyptic number.
It is an amenable number.
13548864169 is a deficient number, since it is larger than the sum of its proper divisors (1).
13548864169 is an equidigital number, since it uses as much as digits as its factorization.
13548864169 is an evil number, because the sum of its binary digits is even.
The product of its digits is 4976640, while the sum is 55.
The spelling of 13548864169 in words is "thirteen billion, five hundred forty-eight million, eight hundred sixty-four thousand, one hundred sixty-nine".
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