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30221102210 = 2513217882309
BaseRepresentation
bin11100001001010100…
…010110110010000010
32220000011100001120212
4130021110112302002
5443343100232320
621514451034122
72116623062465
oct341124266202
986004301525
1030221102210
11118a902a432
125a34b9b942
132b0812a400
1416699612dc
15bbd2509c5
hex709516c82

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".

Divisors: 1 2 5 10 13 26 65 130 169 338 845 1690 17882309 35764618 89411545 178823090 232470017 464940034 1162350085 2324700170 3022110221 6044220442 15110551105 30221102210