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30122222122 = 2353149928463
BaseRepresentation
bin11100000011011011…
…001010001000101010
32212202021021102121101
4130003123022020222
5443142242101442
621500555432014
72114312443366
oct340333121052
985667242541
1030122222122
1111858233353
125a07a5560a
132ac07b9595
14165a7822a6
15bb471ccb7
hex7036ca22a

30122222122 has 16 divisors (see below), whose sum is σ = 45343152000. Its totient is φ = 15007898752.

The previous prime is 30122222023. The next prime is 30122222131. The reversal of 30122222122 is 22122222103.

It is a self number, because there is not a number n which added to its sum of digits gives 30122222122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044063 + ... + 1072525.

It is an arithmetic number, because the mean of its divisors is an integer number (2833947000).

Almost surely, 230122222122 is an apocalyptic number.

30122222122 is a deficient number, since it is larger than the sum of its proper divisors (15220929878).

30122222122 is a wasteful number, since it uses less digits than its factorization.

30122222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30317.

The product of its (nonzero) digits is 384, while the sum is 19.

Subtracting from 30122222122 its sum of digits (19), we obtain a palindrome (30122222103).

Adding to 30122222122 its reverse (22122222103), we get a palindrome (52244444225).

The spelling of 30122222122 in words is "thirty billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 353 706 1499 2998 28463 56926 529147 1058294 10047439 20094878 42666037 85332074 15061111061 30122222122