Base | Representation |
---|---|
bin | 111000110100100010… |
… | …1011010101111011100 |
3 | 102122221221010112222122 |
4 | 1301221011122233130 |
5 | 3444400130042340 |
6 | 132020045202112 |
7 | 11546551561211 |
oct | 1615105325734 |
9 | 378857115878 |
10 | 122022112220 |
11 | 47827334a48 |
12 | 1b794b60338 |
13 | b678104388 |
14 | 5c97b19b08 |
15 | 3292784db5 |
hex | 1c6915abdc |
122022112220 has 24 divisors (see below), whose sum is σ = 262205656944. Its totient is φ = 47673755136.
The previous prime is 122022112193. The next prime is 122022112237. The reversal of 122022112220 is 22211220221.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70942229 + ... + 70943948.
It is an arithmetic number, because the mean of its divisors is an integer number (10925235706).
Almost surely, 2122022112220 is an apocalyptic number.
122022112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122022112220 is an abundant number, since it is smaller than the sum of its proper divisors (140183544724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122022112220 is a wasteful number, since it uses less digits than its factorization.
122022112220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141886229 (or 141886227 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 122022112220 its reverse (22211220221), we get a palindrome (144233332441).
The spelling of 122022112220 in words is "one hundred twenty-two billion, twenty-two million, one hundred twelve thousand, two hundred twenty".
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