Base | Representation |
---|---|
bin | 11100001000101110… |
… | …101010101011001110 |
3 | 2212222110202002210101 |
4 | 130020232222223032 |
5 | 443333033102342 |
6 | 21513455201314 |
7 | 2116443103036 |
oct | 341056525316 |
9 | 85873662711 |
10 | 30211222222 |
11 | 118a34a1455 |
12 | 5a3181623a |
13 | 2b0607b36c |
14 | 166850c8c6 |
15 | bbc44d3b7 |
hex | 708baaace |
30211222222 has 8 divisors (see below), whose sum is σ = 45322410672. Its totient is φ = 15103752000.
The previous prime is 30211222201. The next prime is 30211222241. The reversal of 30211222222 is 22222211203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30211222222.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909154 + ... + 941797.
It is an arithmetic number, because the mean of its divisors is an integer number (5665301334).
Almost surely, 230211222222 is an apocalyptic number.
30211222222 is a deficient number, since it is larger than the sum of its proper divisors (15111188450).
30211222222 is a wasteful number, since it uses less digits than its factorization.
30211222222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1859114.
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 30211222222 its reverse (22222211203), we get a palindrome (52433433425).
The spelling of 30211222222 in words is "thirty billion, two hundred eleven million, two hundred twenty-two thousand, two hundred twenty-two".
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