Base | Representation |
---|---|
bin | 11100000011011011… |
… | …001010001000101010 |
3 | 2212202021021102121101 |
4 | 130003123022020222 |
5 | 443142242101442 |
6 | 21500555432014 |
7 | 2114312443366 |
oct | 340333121052 |
9 | 85667242541 |
10 | 30122222122 |
11 | 11858233353 |
12 | 5a07a5560a |
13 | 2ac07b9595 |
14 | 165a7822a6 |
15 | bb471ccb7 |
hex | 7036ca22a |
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".
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