Search a number
-
+
115140583866 = 2372112313711299
BaseRepresentation
bin110101100111011101…
…0011110000110111010
3102000012100022200202010
41223032322132012322
53341301442140431
6124521142150350
711214201546300
oct1531672360672
9360170280663
10115140583866
1144915948930
121a3944223b6
13ab1c50b7c9
145803bdc270
152edd56d846
hex1acee9e1ba

115140583866 has 192 divisors, whose sum is σ = 307189324800. Its totient is φ = 28395037440.

The previous prime is 115140583849. The next prime is 115140583867. The reversal of 115140583866 is 668385041511.

It is not an unprimeable number, because it can be changed into a prime (115140583867) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10184685 + ... + 10195983.

It is an arithmetic number, because the mean of its divisors is an integer number (1599944400).

Almost surely, 2115140583866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115140583866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153594662400).

115140583866 is an abundant number, since it is smaller than the sum of its proper divisors (192048740934).

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

115140583866 is a wasteful number, since it uses less digits than its factorization.

115140583866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11489 (or 11482 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 115140583866 in words is "one hundred fifteen billion, one hundred forty million, five hundred eighty-three thousand, eight hundred sixty-six".