Base | Representation |
---|---|
bin | 1001000110101010010111… |
… | …01011010100000010001111 |
3 | 2121212220102001010201222121 |
4 | 10203111023223110002033 |
5 | 10111002142211241421 |
6 | 110325040152353411 |
7 | 4134256021012534 |
oct | 443251353240217 |
9 | 77786361121877 |
10 | 20020112212111 |
11 | 6419533469740 |
12 | 22b40470a5867 |
13 | b22b71cb986b |
14 | 4d2d9b3d2d8b |
15 | 24ab808b9d41 |
hex | 12354bad408f |
20020112212111 has 8 divisors (see below), whose sum is σ = 21909899165904. Its totient is φ = 18141954717120.
The previous prime is 20020112212109. The next prime is 20020112212153. The reversal of 20020112212111 is 11121221102002.
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 20020112212111 - 21 = 20020112212109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20020112212211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2907361096 + ... + 2907367981.
It is an arithmetic number, because the mean of its divisors is an integer number (2738737395738).
Almost surely, 220020112212111 is an apocalyptic number.
20020112212111 is a deficient number, since it is larger than the sum of its proper divisors (1889786953793).
20020112212111 is a wasteful number, since it uses less digits than its factorization.
20020112212111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5814729401.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 20020112212111 its reverse (11121221102002), we get a palindrome (31141333314113).
The spelling of 20020112212111 in words is "twenty trillion, twenty billion, one hundred twelve million, two hundred twelve thousand, one hundred eleven".
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