Base | Representation |
---|---|
bin | 1001001001010100000010… |
… | …00011101100101001000110 |
3 | 2122012121112020211222222020 |
4 | 10210222001003230221012 |
5 | 10114000220220010042 |
6 | 110434543025144010 |
7 | 4143662223246162 |
oct | 444520103545106 |
9 | 78177466758866 |
10 | 20111202110022 |
11 | 6454127325201 |
12 | 2309828a8b006 |
13 | b2b62a86363a |
14 | 4d755cd5dca2 |
15 | 24d2127843ec |
hex | 124a810eca46 |
20111202110022 has 32 divisors (see below), whose sum is σ = 41547898936320. Its totient is φ = 6483109894560.
The previous prime is 20111202110017. The next prime is 20111202110033. The reversal of 20111202110022 is 22001120211102.
It is a junction number, because it is equal to n+sod(n) for n = 20111202109983 and 20111202110010.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 36178897 + ... + 36730572.
It is an arithmetic number, because the mean of its divisors is an integer number (1298371841760).
Almost surely, 220111202110022 is an apocalyptic number.
20111202110022 is an abundant number, since it is smaller than the sum of its proper divisors (21436696826298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20111202110022 is a wasteful number, since it uses less digits than its factorization.
20111202110022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72910988.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 20111202110022 its reverse (22001120211102), we get a palindrome (42112322321124).
The spelling of 20111202110022 in words is "twenty trillion, one hundred eleven billion, two hundred two million, one hundred ten thousand, twenty-two".
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