Search a number
-
+
443131443212 = 22213775182339
BaseRepresentation
bin1100111001011001011…
…00010011100000001100
31120100210120222201000112
412130230230103200030
524230013122140322
6535323300415152
744005132055603
oct6345454234014
91510716881015
10443131443212
11160a27169037
1271a6b9a74b8
1332a303a7783
141763a5d0a3a
15b7d828a5e2
hex672cb1380c

443131443212 has 12 divisors (see below), whose sum is σ = 775516451640. Its totient is φ = 221555314176.

The previous prime is 443131443187. The next prime is 443131443257. The reversal of 443131443212 is 212344131344.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2505662 + ... + 2676677.

It is an arithmetic number, because the mean of its divisors is an integer number (64626370970).

Almost surely, 2443131443212 is an apocalyptic number.

It is an amenable number.

443131443212 is a deficient number, since it is larger than the sum of its proper divisors (332385008428).

443131443212 is a wasteful number, since it uses less digits than its factorization.

443131443212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203720 (or 5203718 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

Adding to 443131443212 its reverse (212344131344), we get a palindrome (655475574556).

The spelling of 443131443212 in words is "four hundred forty-three billion, one hundred thirty-one million, four hundred forty-three thousand, two hundred twelve".

Divisors: 1 2 4 21377 42754 85508 5182339 10364678 20729356 110782860803 221565721606 443131443212