Search a number
-
+
30223123312 = 242143881449
BaseRepresentation
bin11100001001011100…
…000100001101110000
32220000022010202000111
4130021130010031300
5443344104421222
621515002231104
72116646211064
oct341134041560
986008122014
1030223123312
11118aa18a968
125a357b5494
132b08687325
141669d29aa4
15bbd4ee777
hex709704370

30223123312 has 20 divisors (see below), whose sum is σ = 58584692800. Its totient is φ = 15104492928.

The previous prime is 30223123283. The next prime is 30223123321. The reversal of 30223123312 is 21332132203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406437 + ... + 475012.

It is an arithmetic number, because the mean of its divisors is an integer number (2929234640).

Almost surely, 230223123312 is an apocalyptic number.

It is an amenable number.

30223123312 is a deficient number, since it is larger than the sum of its proper divisors (28361569488).

30223123312 is a wasteful number, since it uses less digits than its factorization.

30223123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883600 (or 883594 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30223123312 its reverse (21332132203), we get a palindrome (51555255515).

The spelling of 30223123312 in words is "thirty billion, two hundred twenty-three million, one hundred twenty-three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 2143 4286 8572 17144 34288 881449 1762898 3525796 7051592 14103184 1888945207 3777890414 7555780828 15111561656 30223123312