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5271818112 = 273211643647
BaseRepresentation
bin1001110100011100…
…11000111110000000
3111121101212002220200
410322032120332000
541244041134422
62231041205200
7244432500051
oct47216307600
914541762820
105271818112
112265892a80
121031630800
13660270102
1438021a728
1520cc4a2ac
hex13a398f80

5271818112 has 192 divisors, whose sum is σ = 16600671360. Its totient is φ = 1592570880.

The previous prime is 5271818081. The next prime is 5271818117. The reversal of 5271818112 is 2118181725.

5271818112 is a `hidden beast` number, since 527 + 1 + 8 + 18 + 112 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×52718181122 = 55584132412022489088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5271818117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8147773 + ... + 8148419.

It is an arithmetic number, because the mean of its divisors is an integer number (86461830).

Almost surely, 25271818112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5271818112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8300335680).

5271818112 is an abundant number, since it is smaller than the sum of its proper divisors (11328853248).

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

5271818112 is a wasteful number, since it uses less digits than its factorization.

5271818112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321 (or 1306 counting only the distinct ones).

The product of its digits is 8960, while the sum is 36.

The square root of 5271818112 is about 72607.2869070316. The cubic root of 5271818112 is about 1740.4176246868.

Adding to 5271818112 its reverse (2118181725), we get a palindrome (7389999837).

The spelling of 5271818112 in words is "five billion, two hundred seventy-one million, eight hundred eighteen thousand, one hundred twelve".