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115318063872 = 28321123197831
BaseRepresentation
bin110101101100101111…
…1100000001100000000
3102000122201021121112200
41223121133200030000
53342132411020442
6124550522153200
711221455240564
oct1533137401400
9360581247480
10115318063872
11449a704a220
121a423952800
13ab4a20c66b
14581d5db6a4
152eede2a34c
hex1ad97e0300

115318063872 has 216 divisors, whose sum is σ = 378489017088. Its totient is φ = 33425356800.

The previous prime is 115318063871. The next prime is 115318063879. The reversal of 115318063872 is 278360813511.

It is a happy number.

115318063872 is a `hidden beast` number, since 1 + 1 + 5 + 3 + 1 + 8 + 0 + 638 + 7 + 2 = 666.

115318063872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (115318063871) 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, 483997 + ... + 681827.

It is an arithmetic number, because the mean of its divisors is an integer number (1752263968).

Almost surely, 2115318063872 is an apocalyptic number.

115318063872 is a gapful number since it is divisible by the number (12) 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 115318063872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189244508544).

115318063872 is an abundant number, since it is smaller than the sum of its proper divisors (263170953216).

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

115318063872 is a wasteful number, since it uses less digits than its factorization.

115318063872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197887 (or 197870 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 115318063872 in words is "one hundred fifteen billion, three hundred eighteen million, sixty-three thousand, eight hundred seventy-two".