Base | Representation |
---|---|
bin | 11001001001110100… |
… | …001001101110110001 |
3 | 2120201020201022122001 |
4 | 121021310021232301 |
5 | 420303100240024 |
6 | 20223555414001 |
7 | 1644201004351 |
oct | 311164115661 |
9 | 76636638561 |
10 | 27008211889 |
11 | 104aa48237a |
12 | 5298bb4301 |
13 | 27155c7589 |
14 | 1442d7cb61 |
15 | a81158244 |
hex | 649d09bb1 |
27008211889 has 4 divisors (see below), whose sum is σ = 27127191024. Its totient is φ = 26889232756.
The previous prime is 27008211887. The next prime is 27008211911. The reversal of 27008211889 is 98811280072.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 27008211889 - 21 = 27008211887 is a prime.
It is a super-2 number, since 2×270082118892 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (27008211887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59489227 + ... + 59489680.
It is an arithmetic number, because the mean of its divisors is an integer number (6781797756).
Almost surely, 227008211889 is an apocalyptic number.
It is an amenable number.
27008211889 is a deficient number, since it is larger than the sum of its proper divisors (118979135).
27008211889 is a wasteful number, since it uses less digits than its factorization.
27008211889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118979134.
The product of its (nonzero) digits is 129024, while the sum is 46.
The spelling of 27008211889 in words is "twenty-seven billion, eight million, two hundred eleven thousand, eight hundred eighty-nine".
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