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20000112011 = 1110118001901
BaseRepresentation
bin10010101000000110…
…010111110110001011
31220121211201221220022
4102220012113312023
5311430012041021
613104331451055
71305423101315
oct225006276613
956554657808
1020000112011
1185335a61a0
123a61bb6a8b
131b69716909
14d7a3147b5
157c0c8e1ab
hex4a8197d8b

20000112011 has 8 divisors (see below), whose sum is σ = 22034328048. Its totient is φ = 18001900000.

The previous prime is 20000112007. The next prime is 20000112017. The reversal of 20000112011 is 11021100002.

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 20000112011 - 22 = 20000112007 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 20000112011.

It is not an unprimeable number, because it can be changed into a prime (20000112017) 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, 8999840 + ... + 9002061.

It is an arithmetic number, because the mean of its divisors is an integer number (2754291006).

Almost surely, 220000112011 is an apocalyptic number.

20000112011 is a deficient number, since it is larger than the sum of its proper divisors (2034216037).

20000112011 is a wasteful number, since it uses less digits than its factorization.

20000112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18002013.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20000112011 its reverse (11021100002), we get a palindrome (31021212013).

The spelling of 20000112011 in words is "twenty billion, one hundred twelve thousand, eleven".

Divisors: 1 11 101 1111 18001901 198020911 1818192001 20000112011