Base | Representation |
---|---|
bin | 1100011010101001110… |
… | …0111110111110101110 |
3 | 202101121011021100220020 |
4 | 3012222130332332232 |
5 | 11443331124402342 |
6 | 241554504303010 |
7 | 21261045423264 |
oct | 3065234767656 |
9 | 671534240806 |
10 | 213313122222 |
11 | 82513772a52 |
12 | 35412171a66 |
13 | 171665346a5 |
14 | a478278434 |
15 | 58371280ec |
hex | 31aa73efae |
213313122222 has 8 divisors (see below), whose sum is σ = 426626244456. Its totient is φ = 71104374072.
The previous prime is 213313122221. The next prime is 213313122233. The reversal of 213313122222 is 222221313312.
It is a sphenic number, since it is the product of 3 distinct primes.
213313122222 is an admirable number.
It is a super-2 number, since 2×2133131222222 (a number of 23 digits) contains 22 as substring.
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 213313122192 and 213313122201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213313122221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17776093513 + ... + 17776093524.
It is an arithmetic number, because the mean of its divisors is an integer number (53328280557).
Almost surely, 2213313122222 is an apocalyptic number.
213313122222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213313122222 is a wasteful number, since it uses less digits than its factorization.
213313122222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35552187042.
The product of its digits is 1728, while the sum is 24.
Adding to 213313122222 its reverse (222221313312), we get a palindrome (435534435534).
The spelling of 213313122222 in words is "two hundred thirteen billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred twenty-two".
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