Base | Representation |
---|---|
bin | 11001111000001100… |
… | …111010000001000000 |
3 | 2122201111010001210222 |
4 | 121320030322001000 |
5 | 423401312444211 |
6 | 20433120042212 |
7 | 2002400645135 |
oct | 317014720100 |
9 | 78644101728 |
10 | 27786453056 |
11 | 1086980149a |
12 | 5475763368 |
13 | 280a8cc5cb |
14 | 14b848258c |
15 | ac96331db |
hex | 67833a040 |
27786453056 has 28 divisors (see below), whose sum is σ = 55296777900. Its totient is φ = 13853406720.
The previous prime is 27786453053. The next prime is 27786453073. The reversal of 27786453056 is 65035468772.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 25032302656 + 2754150400 = 158216^2 + 52480^2 .
It is a junction number, because it is equal to n+sod(n) for n = 27786452989 and 27786453007.
It is not an unprimeable number, because it can be changed into a prime (27786453053) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599675 + ... + 644346.
It is an arithmetic number, because the mean of its divisors is an integer number (1974884925).
Almost surely, 227786453056 is an apocalyptic number.
It is an amenable number.
27786453056 is a deficient number, since it is larger than the sum of its proper divisors (27510324844).
27786453056 is a wasteful number, since it uses less digits than its factorization.
27786453056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1244382 (or 1244372 counting only the distinct ones).
The product of its (nonzero) digits is 8467200, while the sum is 53.
The spelling of 27786453056 in words is "twenty-seven billion, seven hundred eighty-six million, four hundred fifty-three thousand, fifty-six".
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