Base | Representation |
---|---|
bin | 11100001001011100… |
… | …000011101100111011 |
3 | 2220000022010122010200 |
4 | 130021130003230323 |
5 | 443344104334321 |
6 | 21515002213243 |
7 | 2116646202003 |
oct | 341134035473 |
9 | 86008118120 |
10 | 30223121211 |
11 | 118aa189328 |
12 | 5a357b4223 |
13 | 2b0868639a |
14 | 1669d29003 |
15 | bbd4edd26 |
hex | 709703b3b |
30223121211 has 24 divisors (see below), whose sum is σ = 43840411680. Its totient is φ = 20063635200.
The previous prime is 30223121209. The next prime is 30223121221. The reversal of 30223121211 is 11212132203.
It is not a de Polignac number, because 30223121211 - 21 = 30223121209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30223121221) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2202291 + ... + 2215971.
It is an arithmetic number, because the mean of its divisors is an integer number (1826683820).
Almost surely, 230223121211 is an apocalyptic number.
30223121211 is a deficient number, since it is larger than the sum of its proper divisors (13617290469).
30223121211 is a wasteful number, since it uses less digits than its factorization.
30223121211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14707 (or 14704 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 30223121211 its reverse (11212132203), we get a palindrome (41435253414).
The spelling of 30223121211 in words is "thirty billion, two hundred twenty-three million, one hundred twenty-one thousand, two hundred eleven".
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