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27482712881 = 1316712659011
BaseRepresentation
bin11001100110000110…
…001110101100110001
32121221022120110121212
4121212012032230301
5422241033303011
620343025525505
71662022130231
oct314606165461
977838513555
1027482712881
1110723302a58
1253abaa3895
13278c9c22b0
141489db7cc1
15aacb3608b
hex66618eb31

27482712881 has 8 divisors (see below), whose sum is σ = 29773996224. Its totient is φ = 25216747920.

The previous prime is 27482712877. The next prime is 27482712883. The reversal of 27482712881 is 18821728472.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27482712881 - 22 = 27482712877 is a prime.

It is a super-2 number, since 2×274827128812 (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 (27482712883) 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 7 ways as a sum of consecutive naturals, for example, 6327335 + ... + 6331676.

It is an arithmetic number, because the mean of its divisors is an integer number (3721749528).

Almost surely, 227482712881 is an apocalyptic number.

It is an amenable number.

27482712881 is a deficient number, since it is larger than the sum of its proper divisors (2291283343).

27482712881 is a wasteful number, since it uses less digits than its factorization.

27482712881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12659191.

The product of its digits is 802816, while the sum is 50.

The spelling of 27482712881 in words is "twenty-seven billion, four hundred eighty-two million, seven hundred twelve thousand, eight hundred eighty-one".

Divisors: 1 13 167 2171 12659011 164567143 2114054837 27482712881