Base | Representation |
---|---|
bin | 11100001001010011… |
… | …111110010111101110 |
3 | 2220000011010222102121 |
4 | 130021103332113232 |
5 | 443343034032342 |
6 | 21514444543154 |
7 | 2116622165125 |
oct | 341123762756 |
9 | 86004128377 |
10 | 30221002222 |
11 | 118a8a712a4 |
12 | 5a34b51aba |
13 | 2b080c3a48 |
14 | 1669936abc |
15 | bbd231067 |
hex | 7094fe5ee |
30221002222 has 4 divisors (see below), whose sum is σ = 45331503336. Its totient is φ = 15110501110.
The previous prime is 30221002193. The next prime is 30221002241. The reversal of 30221002222 is 22220012203.
It is a semiprime because it is the product of two primes.
It is a super-3 number, since 3×302210022223 (a number of 32 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30221002196 and 30221002205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7555250554 + ... + 7555250557.
It is an arithmetic number, because the mean of its divisors is an integer number (11332875834).
Almost surely, 230221002222 is an apocalyptic number.
30221002222 is a deficient number, since it is larger than the sum of its proper divisors (15110501114).
30221002222 is a wasteful number, since it uses less digits than its factorization.
30221002222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15110501113.
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 30221002222 its reverse (22220012203), we get a palindrome (52441014425).
The spelling of 30221002222 in words is "thirty billion, two hundred twenty-one million, two thousand, two hundred twenty-two".
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