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20430341011 = 233680312889
BaseRepresentation
bin10011000001101111…
…100100001110010011
31221201211021212010201
4103001233210032103
5313320131403021
613215141040031
71322166014263
oct230157441623
957654255121
1020430341011
118734438653
123b620b6017
131c078b04a2
14dbb5077a3
157e8924591
hex4c1be4393

20430341011 has 8 divisors (see below), whose sum is σ = 20522633040. Its totient is φ = 20338088832.

The previous prime is 20430340999. The next prime is 20430341047. The reversal of 20430341011 is 11014303402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20430341011 - 25 = 20430340979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20430341011.

It is not an unprimeable number, because it can be changed into a prime (20430341111) 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 7 ways as a sum of consecutive naturals, for example, 1578655 + ... + 1591543.

It is an arithmetic number, because the mean of its divisors is an integer number (2565329130).

Almost surely, 220430341011 is an apocalyptic number.

20430341011 is a deficient number, since it is larger than the sum of its proper divisors (92292029).

20430341011 is a wasteful number, since it uses less digits than its factorization.

20430341011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19925.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20430341011 its reverse (11014303402), we get a palindrome (31444644413).

The spelling of 20430341011 in words is "twenty billion, four hundred thirty million, three hundred forty-one thousand, eleven".

Divisors: 1 233 6803 12889 1585099 3003137 87683867 20430341011