Search a number
-
+
4444005012 = 223794687769
BaseRepresentation
bin1000010001110001…
…00010001010010100
3102110201011211211020
410020320202022110
533100131130022
62012550241140
7215061263556
oct41070421224
912421154736
104444005012
111980585817
12a403561b0
1355a8cc785
143022d14d6
151b022c35c
hex108e22294

4444005012 has 24 divisors (see below), whose sum is σ = 10500604800. Its totient is φ = 1462583616.

The previous prime is 4444004993. The next prime is 4444005017. The reversal of 4444005012 is 2105004444.

It is a happy number.

It is a super-2 number, since 2×44440050122 = 39498361093362240288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444005017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2342937 + ... + 2344832.

It is an arithmetic number, because the mean of its divisors is an integer number (437525200).

Almost surely, 24444005012 is an apocalyptic number.

It is an amenable number.

4444005012 is an abundant number, since it is smaller than the sum of its proper divisors (6056599788).

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

4444005012 is a wasteful number, since it uses less digits than its factorization.

4444005012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4687855 (or 4687853 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 4444005012 is about 66663.3708418649. The cubic root of 4444005012 is about 1644.0871944210.

Adding to 4444005012 its reverse (2105004444), we get a palindrome (6549009456).

The spelling of 4444005012 in words is "four billion, four hundred forty-four million, five thousand, twelve".

Divisors: 1 2 3 4 6 12 79 158 237 316 474 948 4687769 9375538 14063307 18751076 28126614 56253228 370333751 740667502 1111001253 1481335004 2222002506 4444005012