Base | Representation |
---|---|
bin | 101011110101010110… |
… | …000011011000100101 |
3 | 11111111002202000120002 |
4 | 223311112003120211 |
5 | 1232342330400114 |
6 | 33342144551045 |
7 | 3254223211310 |
oct | 536526033045 |
9 | 144432660502 |
10 | 47065871909 |
11 | 18a62504201 |
12 | 9156322485 |
13 | 4590c10064 |
14 | 23c6b93977 |
15 | 1356eb37de |
hex | af5583625 |
47065871909 has 8 divisors (see below), whose sum is σ = 53791651200. Its totient is φ = 40340613456.
The previous prime is 47065871893. The next prime is 47065871921. The reversal of 47065871909 is 90917856074.
47065871909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 47065871909 - 24 = 47065871893 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47065871969) 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, 87767 + ... + 319115.
It is an arithmetic number, because the mean of its divisors is an integer number (6723956400).
Almost surely, 247065871909 is an apocalyptic number.
It is an amenable number.
47065871909 is a deficient number, since it is larger than the sum of its proper divisors (6725779291).
47065871909 is a wasteful number, since it uses less digits than its factorization.
47065871909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 260419.
The product of its (nonzero) digits is 3810240, while the sum is 56.
The spelling of 47065871909 in words is "forty-seven billion, sixty-five million, eight hundred seventy-one thousand, nine hundred nine".
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