Base | Representation |
---|---|
bin | 101011110011110011… |
… | …000110001000001101 |
3 | 11111102021221002011201 |
4 | 223303303012020031 |
5 | 1232314210242033 |
6 | 33335420545501 |
7 | 3253456546444 |
oct | 536363061015 |
9 | 144367832151 |
10 | 47039930893 |
11 | 18a498a634a |
12 | 91496b2291 |
13 | 4588729747 |
14 | 23c355dd5b |
15 | 1354a8c47d |
hex | af3cc620d |
47039930893 has 2 divisors, whose sum is σ = 47039930894. Its totient is φ = 47039930892.
The previous prime is 47039930881. The next prime is 47039930953. The reversal of 47039930893 is 39803993074.
47039930893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 47038235689 + 1695204 = 216883^2 + 1302^2 .
It is a cyclic number.
It is not a de Polignac number, because 47039930893 - 29 = 47039930381 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (47039930593) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23519965446 + 23519965447.
It is an arithmetic number, because the mean of its divisors is an integer number (23519965447).
Almost surely, 247039930893 is an apocalyptic number.
It is an amenable number.
47039930893 is a deficient number, since it is larger than the sum of its proper divisors (1).
47039930893 is an equidigital number, since it uses as much as digits as its factorization.
47039930893 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4408992, while the sum is 55.
The spelling of 47039930893 in words is "forty-seven billion, thirty-nine million, nine hundred thirty thousand, eight hundred ninety-three".
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