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30333244312 = 2373117473067
BaseRepresentation
bin11100010000000000…
…001001001110011000
32220021222100110122001
4130100000021032120
5444110302304222
621533534410344
72122454215420
oct342000111630
986258313561
1030333244312
1111956364458
125a666609b4
132b25432797
14167a7d3480
15bc8002e27
hex710009398

30333244312 has 32 divisors (see below), whose sum is σ = 67096581120. Its totient is φ = 12580607520.

The previous prime is 30333244309. The next prime is 30333244321. The reversal of 30333244312 is 21344233303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8734798 + ... + 8738269.

It is an arithmetic number, because the mean of its divisors is an integer number (2096768160).

Almost surely, 230333244312 is an apocalyptic number.

It is an amenable number.

30333244312 is an abundant number, since it is smaller than the sum of its proper divisors (36763336808).

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

30333244312 is a wasteful number, since it uses less digits than its factorization.

30333244312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17473111 (or 17473107 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 30333244312 its reverse (21344233303), we get a palindrome (51677477615).

The spelling of 30333244312 in words is "thirty billion, three hundred thirty-three million, two hundred forty-four thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 31 56 62 124 217 248 434 868 1736 17473067 34946134 69892268 122311469 139784536 244622938 489245876 541665077 978491752 1083330154 2166660308 3791655539 4333320616 7583311078 15166622156 30333244312