Base | Representation |
---|---|
bin | 11001000011001010… |
… | …00110000110000001 |
3 | 1021201020022010012112 |
4 | 30201211012012001 |
5 | 210020224234210 |
6 | 10102243105105 |
7 | 654155305544 |
oct | 144145060601 |
9 | 37636263175 |
10 | 13448274305 |
11 | 5781222594 |
12 | 2733972195 |
13 | 136421607b |
14 | 9180d885b |
15 | 53a99dd05 |
hex | 321946181 |
13448274305 has 4 divisors (see below), whose sum is σ = 16137929172. Its totient is φ = 10758619440.
The previous prime is 13448274277. The next prime is 13448274361. The reversal of 13448274305 is 50347284431.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50347284431 = 3301 ⋅15252131.
It can be written as a sum of positive squares in 2 ways, for example, as 1499160961 + 11949113344 = 38719^2 + 109312^2 .
It is not a de Polignac number, because 13448274305 - 210 = 13448273281 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344827426 + ... + 1344827435.
It is an arithmetic number, because the mean of its divisors is an integer number (4034482293).
Almost surely, 213448274305 is an apocalyptic number.
It is an amenable number.
13448274305 is a deficient number, since it is larger than the sum of its proper divisors (2689654867).
13448274305 is an equidigital number, since it uses as much as digits as its factorization.
13448274305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2689654866.
The product of its (nonzero) digits is 322560, while the sum is 41.
The spelling of 13448274305 in words is "thirteen billion, four hundred forty-eight million, two hundred seventy-four thousand, three hundred five".
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