Search a number
-
+
20244303443 = 7131713086169
BaseRepresentation
bin10010110110101001…
…111000111001010011
31221020212020011120102
4102312221320321103
5312430020202233
613144453403015
71314446511560
oct226651707123
957225204512
1020244303443
1186494218a1
123b0b93946b
131ba81a44a0
14da091b867
157d74271e8
hex4b6a78e53

20244303443 has 16 divisors (see below), whose sum is σ = 26381718720. Its totient is φ = 15075265536.

The previous prime is 20244303439. The next prime is 20244303481. The reversal of 20244303443 is 34430344202.

It is a cyclic number.

It is not a de Polignac number, because 20244303443 - 22 = 20244303439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20244303943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6541538 + ... + 6544631.

It is an arithmetic number, because the mean of its divisors is an integer number (1648857420).

Almost surely, 220244303443 is an apocalyptic number.

20244303443 is a deficient number, since it is larger than the sum of its proper divisors (6137415277).

20244303443 is a wasteful number, since it uses less digits than its factorization.

20244303443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13086206.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 20244303443 its reverse (34430344202), we get a palindrome (54674647645).

The spelling of 20244303443 in words is "twenty billion, two hundred forty-four million, three hundred three thousand, four hundred forty-three".

Divisors: 1 7 13 17 91 119 221 1547 13086169 91603183 170120197 222464873 1190841379 1557254111 2892043349 20244303443