Search a number
-
+
444030123131200 = 26524111635820079
BaseRepresentation
bin110010011110101111101000…
…1110000100100000101000000
32011020011212100201212110000101
41210331133101300210011000
5431144442143010144300
64212212342244332144
7162346055246263234
oct14475372160440500
92136155321773011
10444030123131200
11119533132736691
12419740199a4054
131609bb26658218
147b9125b9a05c4
153650398652b6a
hex193d7d1c24140

444030123131200 has 168 divisors, whose sum is σ = 1120202763684480. Its totient is φ = 173131024281600.

The previous prime is 444030123131171. The next prime is 444030123131207. The reversal of 444030123131200 is 2131321030444.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444030123131207) 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, 73382761 + ... + 79202839.

It is an arithmetic number, because the mean of its divisors is an integer number (6667873593360).

Almost surely, 2444030123131200 is an apocalyptic number.

444030123131200 is a gapful number since it is divisible by the number (40) 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 444030123131200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560101381842240).

444030123131200 is an abundant number, since it is smaller than the sum of its proper divisors (676172640553280).

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

444030123131200 is a wasteful number, since it uses less digits than its factorization.

444030123131200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5821305 (or 5821290 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 444030123131200 its reverse (2131321030444), we get a palindrome (446161444161644).

The spelling of 444030123131200 in words is "four hundred forty-four trillion, thirty billion, one hundred twenty-three million, one hundred thirty-one thousand, two hundred".