Search a number
-
+
30123030122 = 21910756313159
BaseRepresentation
bin11100000011011110…
…001111011001101010
32212202022210110222022
4130003132033121222
5443142443430442
621501025024442
72114322350153
oct340336173152
985668713868
1030123030122
1111858735419
125a08185122
132ac0a102a3
14165a91292a
15bb482c3d2
hex70378f66a

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".

Divisors: 1 2 19 38 107 214 563 1126 2033 4066 10697 13159 21394 26318 60241 120482 250021 500042 1144579 1408013 2289158 2816026 7408517 14817034 26752247 53504494 140761823 281523646 792711319 1585422638 15061515061 30123030122