Base | Representation |
---|---|
bin | 11100001001011100… |
… | …011001101011001100 |
3 | 2220000022022012121001 |
4 | 130021130121223030 |
5 | 443344120224322 |
6 | 21515004150044 |
7 | 2116650025255 |
oct | 341134315314 |
9 | 86008265531 |
10 | 30223211212 |
11 | 118aa23aa07 |
12 | 5a35838324 |
13 | 2b086b833c |
14 | 1669d4db2c |
15 | bbd51a827 |
hex | 709719acc |
30223211212 has 12 divisors (see below), whose sum is σ = 53012771896. Its totient is φ = 15076704960.
The previous prime is 30223211177. The next prime is 30223211231. The reversal of 30223211212 is 21211232203.
It is a self number, because there is not a number n which added to its sum of digits gives 30223211212.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8723214 + ... + 8726677.
Almost surely, 230223211212 is an apocalyptic number.
It is an amenable number.
30223211212 is a deficient number, since it is larger than the sum of its proper divisors (22789560684).
30223211212 is a wasteful number, since it uses less digits than its factorization.
30223211212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17450328 (or 17450326 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 30223211212 its reverse (21211232203), we get a palindrome (51434443415).
The spelling of 30223211212 in words is "thirty billion, two hundred twenty-three million, two hundred eleven thousand, two hundred twelve".
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