Base | Representation |
---|---|
bin | 1101011101010111111… |
… | …1010100010100110110 |
3 | 211002211100122100122220 |
4 | 3113111333110110312 |
5 | 12242021143141042 |
6 | 254120024103210 |
7 | 22463634400521 |
oct | 3272577242466 |
9 | 732740570586 |
10 | 231223412022 |
11 | 8a074651849 |
12 | 38990304b06 |
13 | 18a5bcb4bc5 |
14 | b296bd1bb8 |
15 | 60346b08ec |
hex | 35d5fd4536 |
231223412022 has 32 divisors (see below), whose sum is σ = 475151956224. Its totient is φ = 74958760800.
The previous prime is 231223411973. The next prime is 231223412089. The reversal of 231223412022 is 220214322132.
It is a junction number, because it is equal to n+sod(n) for n = 231223411983 and 231223412001.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287697 + ... + 738387.
It is an arithmetic number, because the mean of its divisors is an integer number (14848498632).
Almost surely, 2231223412022 is an apocalyptic number.
231223412022 is an abundant number, since it is smaller than the sum of its proper divisors (243928544202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231223412022 is a wasteful number, since it uses less digits than its factorization.
231223412022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 453044.
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 231223412022 its reverse (220214322132), we get a palindrome (451437734154).
The spelling of 231223412022 in words is "two hundred thirty-one billion, two hundred twenty-three million, four hundred twelve thousand, twenty-two".
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