Base | Representation |
---|---|
bin | 11001110101011010… |
… | …010111101100011001 |
3 | 2122121020001021020121 |
4 | 121311122113230121 |
5 | 423302322311331 |
6 | 20424324553241 |
7 | 2001262066420 |
oct | 316532275431 |
9 | 78536037217 |
10 | 27739650841 |
11 | 10845345281 |
12 | 5461b52821 |
13 | 2800cc38a6 |
14 | 14b217c2b7 |
15 | ac548ac11 |
hex | 675697b19 |
27739650841 has 32 divisors (see below), whose sum is σ = 33211474688. Its totient is φ = 22674816000.
The previous prime is 27739650823. The next prime is 27739650853. The reversal of 27739650841 is 14805693772.
It is a 11-Lehmer number, since φ(27739650841) divides (27739650841-1)11.
It is a cyclic number.
It is not a de Polignac number, because 27739650841 - 27 = 27739650713 is a prime.
It is not an unprimeable number, because it can be changed into a prime (27739650881) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3077341 + ... + 3086341.
It is an arithmetic number, because the mean of its divisors is an integer number (1037858584).
It is a 2-persistent number, because it is pandigital, and so is 2⋅27739650841 = 55479301682, but 3⋅27739650841 = 83218952523 is not.
Almost surely, 227739650841 is an apocalyptic number.
It is an amenable number.
27739650841 is a deficient number, since it is larger than the sum of its proper divisors (5471823847).
27739650841 is a wasteful number, since it uses less digits than its factorization.
27739650841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9281.
The product of its (nonzero) digits is 2540160, while the sum is 52.
The spelling of 27739650841 in words is "twenty-seven billion, seven hundred thirty-nine million, six hundred fifty thousand, eight hundred forty-one".
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