Base | Representation |
---|---|
bin | 11100001001010000… |
… | …111111111101011110 |
3 | 2220000002200100120200 |
4 | 130021100333331132 |
5 | 443342334103202 |
6 | 21514420124330 |
7 | 2116612436244 |
oct | 341120777536 |
9 | 86002610520 |
10 | 30220222302 |
11 | 118a8589336 |
12 | 5a348366a6 |
13 | 2b07baca5a |
14 | 16697b2794 |
15 | bbd129e1c |
hex | 70943ff5e |
30220222302 has 12 divisors (see below), whose sum is σ = 65477148360. Its totient is φ = 10073407428.
The previous prime is 30220222297. The next prime is 30220222339. The reversal of 30220222302 is 20322202203.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1678901239 = 30220222302 / (3 + 0 + 2 + 2 + 0 + 2 + 2 + 2 + 3 + 0 + 2).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 839450602 + ... + 839450637.
It is an arithmetic number, because the mean of its divisors is an integer number (5456429030).
Almost surely, 230220222302 is an apocalyptic number.
30220222302 is an abundant number, since it is smaller than the sum of its proper divisors (35256926058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30220222302 is a wasteful number, since it uses less digits than its factorization.
30220222302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1678901247 (or 1678901244 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
Adding to 30220222302 its reverse (20322202203), we get a palindrome (50542424505).
The spelling of 30220222302 in words is "thirty billion, two hundred twenty million, two hundred twenty-two thousand, three hundred two".
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