Base | Representation |
---|---|
bin | 101011111110000111… |
… | …101011001101010101 |
3 | 11111212100202212112100 |
4 | 223332013223031111 |
5 | 1233143023112223 |
6 | 33404524312313 |
7 | 3260661465330 |
oct | 537607531525 |
9 | 144770685470 |
10 | 47213097813 |
11 | 19028621202 |
12 | 91976a2699 |
13 | 45b557a38b |
14 | 23dc559617 |
15 | 1364d96043 |
hex | afe1eb355 |
47213097813 has 24 divisors (see below), whose sum is σ = 77944845888. Its totient is φ = 26976917952.
The previous prime is 47213097803. The next prime is 47213097847. The reversal of 47213097813 is 31879031274.
47213097813 is a `hidden beast` number, since 472 + 13 + 0 + 97 + 81 + 3 = 666.
It is not a de Polignac number, because 47213097813 - 222 = 47208903509 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47213097803) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1459270 + ... + 1491272.
It is an arithmetic number, because the mean of its divisors is an integer number (3247701912).
Almost surely, 247213097813 is an apocalyptic number.
It is an amenable number.
47213097813 is a deficient number, since it is larger than the sum of its proper divisors (30731748075).
47213097813 is a wasteful number, since it uses less digits than its factorization.
47213097813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55433 (or 55430 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The spelling of 47213097813 in words is "forty-seven billion, two hundred thirteen million, ninety-seven thousand, eight hundred thirteen".
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