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115439139200 = 275272111731127
BaseRepresentation
bin110101110000010110…
…1010111100110000000
3102000222011002212200002
41223200231113212000
53342404404423300
6125010525215132
711224455331100
oct1534055274600
9360864085602
10115439139200
1144a59425980
121a4584014a8
13ab69321b78
145831717200
1530098945d5
hex1ae0b57980

115439139200 has 1152 divisors, whose sum is σ = 398648770560. Its totient is φ = 32514048000.

The previous prime is 115439139187. The next prime is 115439139227. The reversal of 115439139200 is 2931934511.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 908969537 + ... + 908969663.

It is an arithmetic number, because the mean of its divisors is an integer number (346049280).

Almost surely, 2115439139200 is an apocalyptic number.

115439139200 is a gapful number since it is divisible by the number (10) 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 115439139200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199324385280).

115439139200 is an abundant number, since it is smaller than the sum of its proper divisors (283209631360).

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

115439139200 is a wasteful number, since it uses less digits than its factorization.

115439139200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 115439139200 in words is "one hundred fifteen billion, four hundred thirty-nine million, one hundred thirty-nine thousand, two hundred".