Search a number
-
+
444303231120 = 243257214984521
BaseRepresentation
bin1100111011100101000…
…10010100100010010000
31120110211020220200211200
412131302202110202100
524234413111343440
6540035440111200
744046151103100
oct6356242244220
91513736820750
10444303231120
111614786556a1
1272138305500
1332b890a19b8
141770c099200
15b8560a1c30
hex6772894890

444303231120 has 360 divisors, whose sum is σ = 1747399375800. Its totient is φ = 100872253440.

The previous prime is 444303231079. The next prime is 444303231121. The reversal of 444303231120 is 21132303444.

444303231120 is a `hidden beast` number, since 4 + 4 + 4 + 303 + 231 + 120 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 29855692944 + 414447538176 = 172788^2 + 643776^2 .

It is a tau number, because it is divible by the number of its divisors (360).

It is a super-2 number, since 2×4443032311202 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (444303231121) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5214460 + ... + 5298980.

It is an arithmetic number, because the mean of its divisors is an integer number (4853887155).

Almost surely, 2444303231120 is an apocalyptic number.

444303231120 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 444303231120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873699687900).

444303231120 is an abundant number, since it is smaller than the sum of its proper divisors (1303096144680).

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

444303231120 is a wasteful number, since it uses less digits than its factorization.

444303231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84703 (or 84687 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 444303231120 its reverse (21132303444), we get a palindrome (465435534564).

The spelling of 444303231120 in words is "four hundred forty-four billion, three hundred three million, two hundred thirty-one thousand, one hundred twenty".