Base | Representation |
---|---|
bin | 101011111000010011… |
… | …001010110100010000 |
3 | 11111121120000201120121 |
4 | 223320103022310100 |
5 | 1232443023310233 |
6 | 33351115320024 |
7 | 3255364460620 |
oct | 537023126420 |
9 | 144546021517 |
10 | 47115447568 |
11 | 18a88495122 |
12 | 916aa50014 |
13 | 459b27a277 |
14 | 23cd5ba880 |
15 | 135b50792d |
hex | af84cad10 |
47115447568 has 40 divisors (see below), whose sum is σ = 104339730560. Its totient is φ = 20189882880.
The previous prime is 47115447553. The next prime is 47115447637. The reversal of 47115447568 is 86574451174.
It is a super-2 number, since 2×471154475682 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135573 + ... + 1176331.
It is an arithmetic number, because the mean of its divisors is an integer number (2608493264).
Almost surely, 247115447568 is an apocalyptic number.
It is an amenable number.
47115447568 is an abundant number, since it is smaller than the sum of its proper divisors (57224282992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47115447568 is a wasteful number, since it uses less digits than its factorization.
47115447568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51095 (or 51089 counting only the distinct ones).
The product of its digits is 3763200, while the sum is 52.
The spelling of 47115447568 in words is "forty-seven billion, one hundred fifteen million, four hundred forty-seven thousand, five hundred sixty-eight".
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