Base | Representation |
---|---|
bin | 11001111001011001… |
… | …000011100000000111 |
3 | 2122202212200020020212 |
4 | 121321121003200013 |
5 | 423421420233410 |
6 | 20435111550035 |
7 | 2003032424612 |
oct | 317131034007 |
9 | 78685606225 |
10 | 27806414855 |
11 | 10879aa604a |
12 | 548038b31b |
13 | 2811a9b51b |
14 | 14bad9b179 |
15 | acb277b05 |
hex | 679643807 |
27806414855 has 8 divisors (see below), whose sum is σ = 33374262192. Its totient is φ = 22240755648.
The previous prime is 27806414851. The next prime is 27806414863. The reversal of 27806414855 is 55841460872.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 27806414855 - 22 = 27806414851 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27806414851) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518942 + ... + 570011.
It is an arithmetic number, because the mean of its divisors is an integer number (4171782774).
Almost surely, 227806414855 is an apocalyptic number.
27806414855 is a deficient number, since it is larger than the sum of its proper divisors (5567847337).
27806414855 is a wasteful number, since it uses less digits than its factorization.
27806414855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1094065.
The product of its (nonzero) digits is 2150400, while the sum is 50.
The spelling of 27806414855 in words is "twenty-seven billion, eight hundred six million, four hundred fourteen thousand, eight hundred fifty-five".
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