Base | Representation |
---|---|
bin | 11001110001110111… |
… | …001110110101011111 |
3 | 2122110002000011122102 |
4 | 121301313032311133 |
5 | 423142101422441 |
6 | 20414400435315 |
7 | 1666640014643 |
oct | 316167166537 |
9 | 78402004572 |
10 | 27680107871 |
11 | 10814776809 |
12 | 5446018b3b |
13 | 27c1876970 |
14 | 14a82bcc23 |
15 | ac012869b |
hex | 671dced5f |
27680107871 has 16 divisors (see below), whose sum is σ = 30042600000. Its totient is φ = 25351135488.
The previous prime is 27680107867. The next prime is 27680107937. The reversal of 27680107871 is 17870108672.
It is a cyclic number.
It is not a de Polignac number, because 27680107871 - 22 = 27680107867 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 (27680107811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5534630 + ... + 5539628.
It is an arithmetic number, because the mean of its divisors is an integer number (1877662500).
Almost surely, 227680107871 is an apocalyptic number.
27680107871 is a deficient number, since it is larger than the sum of its proper divisors (2362492129).
27680107871 is a wasteful number, since it uses less digits than its factorization.
27680107871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8258.
The product of its (nonzero) digits is 263424, while the sum is 47.
The spelling of 27680107871 in words is "twenty-seven billion, six hundred eighty million, one hundred seven thousand, eight hundred seventy-one".
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