Search a number
-
+
443442220434340 = 2252971157239286981
BaseRepresentation
bin110010011010011101111000…
…0000001110000001110100100
32011011002122212210020001200121
41210310323300001300032210
5431110324131412344330
64211042313241251324
7162255433415642461
oct14464736001601644
92134078783201617
10443442220434340
11119326875a13a86
124189a0a6493b44
131605856407066a
147b70a0a226668
15363ee3a87617a
hex1934ef00703a4

443442220434340 has 192 divisors, whose sum is σ = 987247466956800. Its totient is φ = 167070297139200.

The previous prime is 443442220434307. The next prime is 443442220434347. The reversal of 443442220434340 is 43434022244344.

It is not an unprimeable number, because it can be changed into a prime (443442220434347) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1545053650 + ... + 1545340630.

It is an arithmetic number, because the mean of its divisors is an integer number (5141913890400).

Almost surely, 2443442220434340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 443442220434340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493623733478400).

443442220434340 is an abundant number, since it is smaller than the sum of its proper divisors (543805246522460).

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

443442220434340 is a wasteful number, since it uses less digits than its factorization.

443442220434340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287486 (or 287484 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 43.

Adding to 443442220434340 its reverse (43434022244344), we get a palindrome (486876242678684).

The spelling of 443442220434340 in words is "four hundred forty-three trillion, four hundred forty-two billion, two hundred twenty million, four hundred thirty-four thousand, three hundred forty".