Base | Representation |
---|---|
bin | 11100001110101011… |
… | …101011011100001111 |
3 | 2220020102200112101200 |
4 | 130032223223130033 |
5 | 444034120232343 |
6 | 21531424040543 |
7 | 2122065055263 |
oct | 341653533417 |
9 | 86212615350 |
10 | 30311102223 |
11 | 11944910806 |
12 | 5a5b163153 |
13 | 2b2097c35c |
14 | 16778ac0a3 |
15 | bc60cc4d3 |
hex | 70eaeb70f |
30311102223 has 48 divisors (see below), whose sum is σ = 45570504096. Its totient is φ = 19398355200.
The previous prime is 30311102201. The next prime is 30311102233. The reversal of 30311102223 is 32220111303.
30311102223 is a `hidden beast` number, since 30 + 311 + 102 + 223 = 666.
It is not a de Polignac number, because 30311102223 - 220 = 30310053647 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30311102196 and 30311102205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30311102233) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10660240 + ... + 10663082.
It is an arithmetic number, because the mean of its divisors is an integer number (949385502).
Almost surely, 230311102223 is an apocalyptic number.
30311102223 is a deficient number, since it is larger than the sum of its proper divisors (15259401873).
30311102223 is a wasteful number, since it uses less digits than its factorization.
30311102223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3304 (or 3301 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 30311102223 its reverse (32220111303), we get a palindrome (62531213526).
The spelling of 30311102223 in words is "thirty billion, three hundred eleven million, one hundred two thousand, two hundred twenty-three".
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