Base | Representation |
---|---|
bin | 10100101011111100… |
… | …011110011110000101 |
3 | 2010100000000002222122 |
4 | 110223330132132011 |
5 | 330442300011323 |
6 | 14112030335325 |
7 | 1414302551546 |
oct | 245374363605 |
9 | 63300002878 |
10 | 22212110213 |
11 | 9469180187 |
12 | 437a95a545 |
13 | 212ca894a7 |
14 | 1109dd64cd |
15 | 8a007aec8 |
hex | 52bf1e785 |
22212110213 has 16 divisors (see below), whose sum is σ = 22504003200. Its totient is φ = 21922680000.
The previous prime is 22212110201. The next prime is 22212110231. The reversal of 22212110213 is 31201121222.
It is a cyclic number.
It is not a de Polignac number, because 22212110213 - 24 = 22212110197 is a prime.
It is a super-2 number, since 2×222121102132 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22212110191 and 22212110200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22212110813) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23604323 + ... + 23605263.
It is an arithmetic number, because the mean of its divisors is an integer number (1406500200).
Almost surely, 222212110213 is an apocalyptic number.
It is an amenable number.
22212110213 is a deficient number, since it is larger than the sum of its proper divisors (291892987).
22212110213 is a wasteful number, since it uses less digits than its factorization.
22212110213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1948.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 22212110213 its reverse (31201121222), we get a palindrome (53413231435).
The spelling of 22212110213 in words is "twenty-two billion, two hundred twelve million, one hundred ten thousand, two hundred thirteen".
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