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30223033220 = 2254732152163
BaseRepresentation
bin11100001001011011…
…101110001110000100
32220000021222011102202
4130021123232032010
5443344044030340
621515000254032
72116645354322
oct341133561604
986007864382
1030223033220
11118aa129206
125a35771318
132b08655313
141669d04d12
15bbd4d2c15
hex7096ee384

30223033220 has 24 divisors (see below), whose sum is σ = 64818762624. Its totient is φ = 11831995616.

The previous prime is 30223033213. The next prime is 30223033303. The reversal of 30223033220 is 2233032203.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30223033192 and 30223033201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16075142 + ... + 16077021.

It is an arithmetic number, because the mean of its divisors is an integer number (2700781776).

Almost surely, 230223033220 is an apocalyptic number.

It is an amenable number.

30223033220 is an abundant number, since it is smaller than the sum of its proper divisors (34595729404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30223033220 is a wasteful number, since it uses less digits than its factorization.

30223033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32152219 (or 32152217 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 30223033220 its reverse (2233032203), we get a palindrome (32456065423).

The spelling of 30223033220 in words is "thirty billion, two hundred twenty-three million, thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 32152163 64304326 128608652 160760815 321521630 643043260 1511151661 3022303322 6044606644 7555758305 15111516610 30223033220