Base | Representation |
---|---|
bin | 101011110100001111… |
… | …110111111000111011 |
3 | 11111102211010100101201 |
4 | 223310033313320323 |
5 | 1232323123142442 |
6 | 33340250355031 |
7 | 3253610636260 |
oct | 536417677073 |
9 | 144384110351 |
10 | 47047474747 |
11 | 18a53089139 |
12 | 915012ba77 |
13 | 458a16b370 |
14 | 23c4565267 |
15 | 135557c7b7 |
hex | af43f7e3b |
47047474747 has 16 divisors (see below), whose sum is σ = 59136602112. Its totient is φ = 36432364320.
The previous prime is 47047474723. The next prime is 47047474757. The reversal of 47047474747 is 74747474074.
It is a cyclic number.
It is not a de Polignac number, because 47047474747 - 219 = 47046950459 is a prime.
47047474747 is a modest number, since divided by 474747 gives 47047 as remainder.
It is not an unprimeable number, because it can be changed into a prime (47047474757) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5495779 + ... + 5504332.
It is an arithmetic number, because the mean of its divisors is an integer number (3696037632).
Almost surely, 247047474747 is an apocalyptic number.
47047474747 is a gapful number since it is divisible by the number (47) formed by its first and last digit.
47047474747 is a deficient number, since it is larger than the sum of its proper divisors (12089127365).
47047474747 is a wasteful number, since it uses less digits than its factorization.
47047474747 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11000178.
The product of its (nonzero) digits is 17210368, while the sum is 55.
The spelling of 47047474747 in words is "forty-seven billion, forty-seven million, four hundred seventy-four thousand, seven hundred forty-seven".
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