Base | Representation |
---|---|
bin | 11000101110011111… |
… | …01011001111000001 |
3 | 1021021011001010200101 |
4 | 30113033223033001 |
5 | 204141332341410 |
6 | 10033130522401 |
7 | 646651451524 |
oct | 142717531701 |
9 | 37234033611 |
10 | 13274887105 |
11 | 56a2367187 |
12 | 26a5896401 |
13 | 13373190ac |
14 | 8dd082bbb |
15 | 52a64ed3a |
hex | 3173eb3c1 |
13274887105 has 4 divisors (see below), whose sum is σ = 15929864532. Its totient is φ = 10619909680.
The previous prime is 13274887103. The next prime is 13274887139. The reversal of 13274887105 is 50178847231.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50178847231 = 617 ⋅81327143.
It can be written as a sum of positive squares in 2 ways, for example, as 2347111809 + 10927775296 = 48447^2 + 104536^2 .
It is not a de Polignac number, because 13274887105 - 21 = 13274887103 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13274887103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327488706 + ... + 1327488715.
It is an arithmetic number, because the mean of its divisors is an integer number (3982466133).
Almost surely, 213274887105 is an apocalyptic number.
It is an amenable number.
13274887105 is a deficient number, since it is larger than the sum of its proper divisors (2654977427).
13274887105 is an equidigital number, since it uses as much as digits as its factorization.
13274887105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2654977426.
The product of its (nonzero) digits is 376320, while the sum is 46.
The spelling of 13274887105 in words is "thirteen billion, two hundred seventy-four million, eight hundred eighty-seven thousand, one hundred five".
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