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43442104320 = 2113254111497
BaseRepresentation
bin101000011101010110…
…011110100000000000
311011010112222112221200
4220131112132200000
51202432134314240
631542415021200
73065351536236
oct503526364000
9134115875850
1043442104320
1117472a31a5a
12850480a800
13413422a994
1421617b8956
1511e3ca9930
hexa1d59e800

43442104320 has 288 divisors, whose sum is σ = 154248199560. Its totient is φ = 11301027840.

The previous prime is 43442104319. The next prime is 43442104337. The reversal of 43442104320 is 2340124434.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25610241024 + 17831863296 = 160032^2 + 133536^2 .

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3772812 + ... + 3784308.

Almost surely, 243442104320 is an apocalyptic number.

43442104320 is a gapful number since it is divisible by the number (40) 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 43442104320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77124099780).

43442104320 is an abundant number, since it is smaller than the sum of its proper divisors (110806095240).

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

43442104320 is a wasteful number, since it uses less digits than its factorization.

43442104320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11571 (or 11548 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 43442104320 its reverse (2340124434), we get a palindrome (45782228754).

The spelling of 43442104320 in words is "forty-three billion, four hundred forty-two million, one hundred four thousand, three hundred twenty".