Search a number
-
+
20243065050 = 23352132831069
BaseRepresentation
bin10010110110100101…
…001010100011011010
31221020202220020211000
4102312211022203122
5312424211040200
613144411045430
71314433133235
oct226645124332
957222806730
1020243065050
11864875642a
123b0b440876
131ba7b5c900
14da06b841c
157d7280300
hex4b694a8da

20243065050 has 288 divisors, whose sum is σ = 61186708800. Its totient is φ = 4918268160.

The previous prime is 20243065039. The next prime is 20243065057. The reversal of 20243065050 is 5056034202.

20243065050 is a `hidden beast` number, since 2 + 0 + 2 + 4 + 3 + 0 + 650 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20243065057) by changing a digit.

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 143 ways as a sum of consecutive naturals, for example, 18935916 + ... + 18936984.

It is an arithmetic number, because the mean of its divisors is an integer number (212453850).

Almost surely, 220243065050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20243065050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30593354400).

20243065050 is an abundant number, since it is smaller than the sum of its proper divisors (40943643750).

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

20243065050 is a wasteful number, since it uses less digits than its factorization.

20243065050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 20243065050 its reverse (5056034202), we get a palindrome (25299099252).

The spelling of 20243065050 in words is "twenty billion, two hundred forty-three million, sixty-five thousand, fifty".