Base | Representation |
---|---|
bin | 11100000011011110… |
… | …001111011001101010 |
3 | 2212202022210110222022 |
4 | 130003132033121222 |
5 | 443142443430442 |
6 | 21501025024442 |
7 | 2114322350153 |
oct | 340336173152 |
9 | 85668713868 |
10 | 30123030122 |
11 | 11858735419 |
12 | 5a08185122 |
13 | 2ac0a102a3 |
14 | 165a91292a |
15 | bb482c3d2 |
hex | 70378f66a |
30123030122 has 32 divisors (see below), whose sum is σ = 48096115200. Its totient is φ = 14109270768.
The previous prime is 30123030097. The next prime is 30123030151. The reversal of 30123030122 is 22103032103.
It is a self number, because there is not a number n which added to its sum of digits gives 30123030122.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2282579 + ... + 2295737.
It is an arithmetic number, because the mean of its divisors is an integer number (1503003600).
Almost surely, 230123030122 is an apocalyptic number.
30123030122 is a deficient number, since it is larger than the sum of its proper divisors (17973085078).
30123030122 is a wasteful number, since it uses less digits than its factorization.
30123030122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13850.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 30123030122 its reverse (22103032103), we get a palindrome (52226062225).
The spelling of 30123030122 in words is "thirty billion, one hundred twenty-three million, thirty thousand, one hundred twenty-two".
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