Base | Representation |
---|---|
bin | 111000011100101010… |
… | …1110110010111101010 |
3 | 102120220002220121001210 |
4 | 1300321111312113222 |
5 | 3441230101111242 |
6 | 131404353053550 |
7 | 11520654314361 |
oct | 1607125662752 |
9 | 376802817053 |
10 | 121221113322 |
11 | 47456181691 |
12 | 1b5b08572b6 |
13 | b57b19192a |
14 | 5c1d5b07d8 |
15 | 32472b1d9c |
hex | 1c395765ea |
121221113322 has 16 divisors (see below), whose sum is σ = 248994719712. Its totient is φ = 39314955600.
The previous prime is 121221113317. The next prime is 121221113333. The reversal of 121221113322 is 223311122121.
It is a nude number because it is divisible by every one of its digits.
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, 273020304 + ... + 273020747.
It is an arithmetic number, because the mean of its divisors is an integer number (15562169982).
Almost surely, 2121221113322 is an apocalyptic number.
121221113322 is an abundant number, since it is smaller than the sum of its proper divisors (127773606390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121221113322 is a wasteful number, since it uses less digits than its factorization.
121221113322 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 546041093.
The product of its digits is 288, while the sum is 21.
Adding to 121221113322 its reverse (223311122121), we get a palindrome (344532235443).
The spelling of 121221113322 in words is "one hundred twenty-one billion, two hundred twenty-one million, one hundred thirteen thousand, three hundred twenty-two".
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