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27383686848 = 263472671609
BaseRepresentation
bin11001100000001100…
…011110011011000000
32121200102020102110000
4121200030132123000
5422040210434343
620325131240000
71656410332500
oct314014363300
977612212400
1027383686848
1110682417261
1253828a9000
13277532cbcb
14147ab9ba00
15aa40c4ed3
hex66031e6c0

27383686848 has 420 divisors, whose sum is σ = 95895612120. Its totient is φ = 7702345728.

The previous prime is 27383686831. The next prime is 27383686859. The reversal of 27383686848 is 84868638372.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 17018268 + ... + 17019876.

It is an arithmetic number, because the mean of its divisors is an integer number (228322886).

Almost surely, 227383686848 is an apocalyptic number.

27383686848 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 27383686848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47947806060).

27383686848 is an abundant number, since it is smaller than the sum of its proper divisors (68511925272).

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

27383686848 is a wasteful number, since it uses less digits than its factorization.

27383686848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714 (or 1688 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 63.

The spelling of 27383686848 in words is "twenty-seven billion, three hundred eighty-three million, six hundred eighty-six thousand, eight hundred forty-eight".