Base | Representation |
---|---|
bin | 10100101011110100… |
… | …111000110111111101 |
3 | 2010022212021001120222 |
4 | 110223310320313331 |
5 | 330441242334323 |
6 | 14111515551125 |
7 | 1414246625660 |
oct | 245364706775 |
9 | 63285231528 |
10 | 22210121213 |
11 | 9468041885 |
12 | 437a15b4a5 |
13 | 212c541077 |
14 | 1109a396d7 |
15 | 89ecd69c8 |
hex | 52bd38dfd |
22210121213 has 16 divisors (see below), whose sum is σ = 26206986240. Its totient is φ = 18419497200.
The previous prime is 22210121191. The next prime is 22210121243. The reversal of 22210121213 is 31212101222.
It is a cyclic number.
It is not a de Polignac number, because 22210121213 - 26 = 22210121149 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 22210121191 and 22210121200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22210121243) 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, 2103758 + ... + 2114288.
It is an arithmetic number, because the mean of its divisors is an integer number (1637936640).
Almost surely, 222210121213 is an apocalyptic number.
It is an amenable number.
22210121213 is a deficient number, since it is larger than the sum of its proper divisors (3996865027).
22210121213 is a wasteful number, since it uses less digits than its factorization.
22210121213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20288.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 22210121213 its reverse (31212101222), we get a palindrome (53422222435).
The spelling of 22210121213 in words is "twenty-two billion, two hundred ten million, one hundred twenty-one thousand, two hundred thirteen".
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