Base | Representation |
---|---|
bin | 11100001001011000… |
… | …010110100110000101 |
3 | 2220000020022021220200 |
4 | 130021120112212011 |
5 | 443343332300041 |
6 | 21514525321113 |
7 | 2116635015360 |
oct | 341130264605 |
9 | 86006267820 |
10 | 30222150021 |
11 | 118a9685698 |
12 | 5a35406199 |
13 | 2b0840630b |
14 | 1669b550d7 |
15 | bbd3ab1b6 |
hex | 709616985 |
30222150021 has 12 divisors (see below), whose sum is σ = 49890533472. Its totient is φ = 17269799976.
The previous prime is 30222150001. The next prime is 30222150037. The reversal of 30222150021 is 12005122203.
It is not a de Polignac number, because 30222150021 - 26 = 30222149957 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30222149976 and 30222150003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30222150001) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239858271 + ... + 239858396.
It is an arithmetic number, because the mean of its divisors is an integer number (4157544456).
Almost surely, 230222150021 is an apocalyptic number.
It is an amenable number.
30222150021 is a deficient number, since it is larger than the sum of its proper divisors (19668383451).
30222150021 is a wasteful number, since it uses less digits than its factorization.
30222150021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 479716680 (or 479716677 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
Adding to 30222150021 its reverse (12005122203), we get a palindrome (42227272224).
The spelling of 30222150021 in words is "thirty billion, two hundred twenty-two million, one hundred fifty thousand, twenty-one".
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