Base | Representation |
---|---|
bin | 11110111000010010011… |
… | …000010111100100100000 |
3 | 21111212022101011222200210 |
4 | 132320102120113210200 |
5 | 234231400142101422 |
6 | 4302502112414120 |
7 | 306211455164532 |
oct | 36702230274440 |
9 | 7455271158623 |
10 | 2122022222112 |
11 | 748a43250351 |
12 | 2a3318b47340 |
13 | 12514b6a6770 |
14 | 749c65d7852 |
15 | 3a2ea78510c |
hex | 1ee12617920 |
2122022222112 has 192 divisors, whose sum is σ = 6262792252416. Its totient is φ = 624224240640.
The previous prime is 2122022222093. The next prime is 2122022222153. The reversal of 2122022222112 is 2112222202212.
It is a super-2 number, since 2×21220222221122 (a number of 25 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59772687 + ... + 59808177.
It is an arithmetic number, because the mean of its divisors is an integer number (32618709648).
Almost surely, 22122022222112 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2122022222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3131396126208).
2122022222112 is an abundant number, since it is smaller than the sum of its proper divisors (4140770030304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122022222112 is a wasteful number, since it uses less digits than its factorization.
2122022222112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37623 (or 37615 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 2122022222112 its reverse (2112222202212), we get a palindrome (4234244424324).
The spelling of 2122022222112 in words is "two trillion, one hundred twenty-two billion, twenty-two million, two hundred twenty-two thousand, one hundred twelve".
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