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30220313223 = 310073437741
BaseRepresentation
bin11100001001010001…
…010110001010000111
32220000002211222022010
4130021101112022013
5443342400010343
621514422105303
72116613265312
oct341121261207
986002758263
1030220313223
11118a8640681
125a3487b233
132b07c12259
1416697d7979
15bbd146d33
hex709456287

30220313223 has 4 divisors (see below), whose sum is σ = 40293750968. Its totient is φ = 20146875480.

The previous prime is 30220313173. The next prime is 30220313239. The reversal of 30220313223 is 32231302203.

Adding to 30220313223 its reverse (32231302203), we get a palindrome (62451615426).

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30220313223 - 26 = 30220313159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30220313223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220313023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5036718868 + ... + 5036718873.

It is an arithmetic number, because the mean of its divisors is an integer number (10073437742).

Almost surely, 230220313223 is an apocalyptic number.

30220313223 is a deficient number, since it is larger than the sum of its proper divisors (10073437745).

30220313223 is a wasteful number, since it uses less digits than its factorization.

30220313223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10073437744.

The product of its (nonzero) digits is 1296, while the sum is 21.

The spelling of 30220313223 in words is "thirty billion, two hundred twenty million, three hundred thirteen thousand, two hundred twenty-three".

Divisors: 1 3 10073437741 30220313223