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27008211889 = 227118978907
BaseRepresentation
bin11001001001110100…
…001001101110110001
32120201020201022122001
4121021310021232301
5420303100240024
620223555414001
71644201004351
oct311164115661
976636638561
1027008211889
11104aa48237a
125298bb4301
1327155c7589
141442d7cb61
15a81158244
hex649d09bb1

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".

Divisors: 1 227 118978907 27008211889