Base | Representation |
---|---|
bin | 11001101000110011… |
… | …001100001000111001 |
3 | 2122001110212222222211 |
4 | 121220303030020321 |
5 | 422334140201210 |
6 | 20351325415121 |
7 | 1663112410114 |
oct | 315063141071 |
9 | 78043788884 |
10 | 27528053305 |
11 | 10746960985 |
12 | 540310a4a1 |
13 | 279920884c |
14 | 149201b57b |
15 | ab1ae038a |
hex | 668ccc239 |
27528053305 has 4 divisors (see below), whose sum is σ = 33033663972. Its totient is φ = 22022442640.
The previous prime is 27528053303. The next prime is 27528053323. The reversal of 27528053305 is 50335082572.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 7897521424 + 19630531881 = 88868^2 + 140109^2 .
It is not a de Polignac number, because 27528053305 - 21 = 27528053303 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (27528053303) 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, 2752805326 + ... + 2752805335.
It is an arithmetic number, because the mean of its divisors is an integer number (8258415993).
Almost surely, 227528053305 is an apocalyptic number.
It is an amenable number.
27528053305 is a deficient number, since it is larger than the sum of its proper divisors (5505610667).
27528053305 is an equidigital number, since it uses as much as digits as its factorization.
27528053305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5505610666.
The product of its (nonzero) digits is 252000, while the sum is 40.
The spelling of 27528053305 in words is "twenty-seven billion, five hundred twenty-eight million, fifty-three thousand, three hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •