Search a number
-
+
189655804950360 = 233572127925218443
BaseRepresentation
bin101011000111110110101110…
…111000100011011101011000
3220212111220210010200122020120
4223013312232320203131120
5144324310042031402420
61511210401325553240
754643115435201400
oct5307665670433530
9825456703618216
10189655804950360
115548063663a121
1219330695415820
1381a96090bab18
1434b9565dbb800
1516dd5b1a52d40
hexac7daee23758

189655804950360 has 192 divisors, whose sum is σ = 662377562726400. Its totient is φ = 43316002969344.

The previous prime is 189655804950307. The next prime is 189655804950361. The reversal of 189655804950360 is 63059408556981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189655804950361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5088702 + ... + 20129741.

It is an arithmetic number, because the mean of its divisors is an integer number (3449883139200).

Almost surely, 2189655804950360 is an apocalyptic number.

189655804950360 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 189655804950360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331188781363200).

189655804950360 is an abundant number, since it is smaller than the sum of its proper divisors (472721757776040).

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

189655804950360 is a wasteful number, since it uses less digits than its factorization.

189655804950360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25219750 (or 25219739 counting only the distinct ones).

The product of its (nonzero) digits is 279936000, while the sum is 69.

The spelling of 189655804950360 in words is "one hundred eighty-nine trillion, six hundred fifty-five billion, eight hundred four million, nine hundred fifty thousand, three hundred sixty".