Base | Representation |
---|---|
bin | 1001001100001100010010… |
… | …01110001101101001010110 |
3 | 2122120001212020120202020010 |
4 | 10212012021032031221112 |
5 | 10122110313033112212 |
6 | 110552222534221050 |
7 | 4154063460620610 |
oct | 446061116155126 |
9 | 78501766522203 |
10 | 20210123332182 |
11 | 6492079820573 |
12 | 2324a354b4786 |
13 | b37a63a12ba4 |
14 | 4dc264a07db0 |
15 | 250aa1e2b03c |
hex | 12618938da56 |
20210123332182 has 256 divisors, whose sum is σ = 50907523645440. Its totient is φ = 5215307876352.
The previous prime is 20210123332181. The next prime is 20210123332219. The reversal of 20210123332182 is 28123332101202.
It is a super-2 number, since 2×202101233321822 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20210123332181) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2332919983 + ... + 2332928645.
It is an arithmetic number, because the mean of its divisors is an integer number (198857514240).
Almost surely, 220210123332182 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20210123332182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25453761822720).
20210123332182 is an abundant number, since it is smaller than the sum of its proper divisors (30697400313258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20210123332182 is a wasteful number, since it uses less digits than its factorization.
20210123332182 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9395.
The product of its (nonzero) digits is 6912, while the sum is 30.
Adding to 20210123332182 its reverse (28123332101202), we get a palindrome (48333455433384).
The spelling of 20210123332182 in words is "twenty trillion, two hundred ten billion, one hundred twenty-three million, three hundred thirty-two thousand, one hundred eighty-two".
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