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30320213224 = 2371928496441
BaseRepresentation
bin11100001111001110…
…011011110011101000
32220021001211102100011
4130033032123303220
5444043433310344
621532351221304
72122235363050
oct341716336350
986231742304
1030320213224
1111949a73a64
125a62217834
132b2281c392
141678ba0560
15bc6ccbd34
hex70f39bce8

30320213224 has 32 divisors (see below), whose sum is σ = 68391460800. Its totient is φ = 12310462080.

The previous prime is 30320213213. The next prime is 30320213227. The reversal of 30320213224 is 42231202303.

It is a junction number, because it is equal to n+sod(n) for n = 30320213195 and 30320213204.

It is not an unprimeable number, because it can be changed into a prime (30320213227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14247157 + ... + 14249284.

It is an arithmetic number, because the mean of its divisors is an integer number (2137233150).

Almost surely, 230320213224 is an apocalyptic number.

It is an amenable number.

30320213224 is an abundant number, since it is smaller than the sum of its proper divisors (38071247576).

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

30320213224 is a wasteful number, since it uses less digits than its factorization.

30320213224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28496473 (or 28496469 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 30320213224 its reverse (42231202303), we get a palindrome (72551415527).

The spelling of 30320213224 in words is "thirty billion, three hundred twenty million, two hundred thirteen thousand, two hundred twenty-four".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 28496441 56992882 113985764 199475087 227971528 398950174 541432379 797900348 1082864758 1595800696 2165729516 3790026653 4331459032 7580053306 15160106612 30320213224