Base | Representation |
---|---|
bin | 1100010101110110000… |
… | …0001111101011100110 |
3 | 202021021012001020110110 |
4 | 3011131200033223212 |
5 | 11433210131201210 |
6 | 241222430033450 |
7 | 21214051244604 |
oct | 3053540175346 |
9 | 667235036413 |
10 | 212022131430 |
11 | 81a10a6950a |
12 | 35111948886 |
13 | 16cbbc32305 |
14 | a394a20874 |
15 | 57adb17420 |
hex | 315d80fae6 |
212022131430 has 32 divisors (see below), whose sum is σ = 508870771200. Its totient is φ = 56537273312.
The previous prime is 212022131359. The next prime is 212022131521. The reversal of 212022131430 is 34131220212.
It is a super-3 number, since 3×2120221314303 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 212022131397 and 212022131406.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 894841 + ... + 1106699.
It is an arithmetic number, because the mean of its divisors is an integer number (15902211600).
Almost surely, 2212022131430 is an apocalyptic number.
212022131430 is an abundant number, since it is smaller than the sum of its proper divisors (296848639770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212022131430 is a wasteful number, since it uses less digits than its factorization.
212022131430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245228.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 212022131430 its reverse (34131220212), we get a palindrome (246153351642).
The spelling of 212022131430 in words is "two hundred twelve billion, twenty-two million, one hundred thirty-one thousand, four hundred thirty".
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