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27448823808 = 21234753223
BaseRepresentation
bin11001100100000100…
…111101000000000000
32121211221210201120000
4121210010331000000
5422203344330213
620335415320000
71661131103250
oct314404750000
977757721500
1027448823808
111070616665a
1253a0680000
1327859880a3
1414856b5960
15aa9b8ec73
hex66413d000

27448823808 has 520 divisors, whose sum is σ = 95907829248. Its totient is φ = 7660044288.

The previous prime is 27448823797. The next prime is 27448823821. The reversal of 27448823808 is 80832884472.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 123088785 + ... + 123089007.

Almost surely, 227448823808 is an apocalyptic number.

27448823808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27448823808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47953914624).

27448823808 is an abundant number, since it is smaller than the sum of its proper divisors (68459005440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27448823808 is an equidigital number, since it uses as much as digits as its factorization.

27448823808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 5505024, while the sum is 54.

The spelling of 27448823808 in words is "twenty-seven billion, four hundred forty-eight million, eight hundred twenty-three thousand, eight hundred eight".