Base | Representation |
---|---|
bin | 10100100000100000… |
… | …001000100110000001 |
3 | 2002211121202120021212 |
4 | 110200200020212001 |
5 | 330044123144301 |
6 | 14041011455505 |
7 | 1406452012145 |
oct | 244040104601 |
9 | 62747676255 |
10 | 22020131201 |
11 | 937a876542 |
12 | 43265b7595 |
13 | 20cc080043 |
14 | 10cc701225 |
15 | 88d2a84bb |
hex | 520808981 |
22020131201 has 16 divisors (see below), whose sum is σ = 23025459600. Its totient is φ = 21031584000.
The previous prime is 22020131173. The next prime is 22020131239. The reversal of 22020131201 is 10213102022.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 641304976 + 21378826225 = 25324^2 + 146215^2 .
It is a cyclic number.
It is not a de Polignac number, because 22020131201 - 26 = 22020131137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22020131251) 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, 4182911 + ... + 4188171.
It is an arithmetic number, because the mean of its divisors is an integer number (1439091225).
Almost surely, 222020131201 is an apocalyptic number.
It is an amenable number.
22020131201 is a deficient number, since it is larger than the sum of its proper divisors (1005328399).
22020131201 is a wasteful number, since it uses less digits than its factorization.
22020131201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6820.
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 22020131201 its reverse (10213102022), we get a palindrome (32233233223).
The spelling of 22020131201 in words is "twenty-two billion, twenty million, one hundred thirty-one thousand, two hundred one".
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