Base | Representation |
---|---|
bin | 11100001001010100… |
… | …010110110010000010 |
3 | 2220000011100001120212 |
4 | 130021110112302002 |
5 | 443343100232320 |
6 | 21514451034122 |
7 | 2116623062465 |
oct | 341124266202 |
9 | 86004301525 |
10 | 30221102210 |
11 | 118a902a432 |
12 | 5a34b9b942 |
13 | 2b0812a400 |
14 | 16699612dc |
15 | bbd2509c5 |
hex | 709516c82 |
30221102210 has 24 divisors (see below), whose sum is σ = 58904329140. Its totient is φ = 11158560192.
The previous prime is 30221102179. The next prime is 30221102231. The reversal of 30221102210 is 1220112203.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 11784622249 + 18436479961 = 108557^2 + 135781^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8939465 + ... + 8942844.
Almost surely, 230221102210 is an apocalyptic number.
30221102210 is a deficient number, since it is larger than the sum of its proper divisors (28683226930).
30221102210 is a wasteful number, since it uses less digits than its factorization.
30221102210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17882342 (or 17882329 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 30221102210 its reverse (1220112203), we get a palindrome (31441214413).
The spelling of 30221102210 in words is "thirty billion, two hundred twenty-one million, one hundred two thousand, two hundred ten".
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