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30231200212 = 2253246757803
BaseRepresentation
bin11100001001111010…
…111000000111010100
32220000212100002102221
4130021322320013110
5443403141401322
621515451312124
72120104650643
oct341172700724
986025302387
1030231200212
11119037a7194
125a3844b644
132b0a254765
14166b02d35a
15bbe0979c7
hex709eb81d4

30231200212 has 24 divisors (see below), whose sum is σ = 53925582816. Its totient is φ = 14824132128.

The previous prime is 30231200203. The next prime is 30231200213. The reversal of 30231200212 is 21200213203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231200213) by changing a digit.

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, 494103 + ... + 551905.

It is an arithmetic number, because the mean of its divisors is an integer number (2246899284).

Almost surely, 230231200212 is an apocalyptic number.

It is an amenable number.

30231200212 is a deficient number, since it is larger than the sum of its proper divisors (23694382604).

30231200212 is a wasteful number, since it uses less digits than its factorization.

30231200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60327 (or 60325 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30231200212 its reverse (21200213203), we get a palindrome (51431413415).

The spelling of 30231200212 in words is "thirty billion, two hundred thirty-one million, two hundred thousand, two hundred twelve".

Divisors: 1 2 4 53 106 212 2467 4934 9868 57803 115606 130751 231212 261502 523004 3063559 6127118 12254236 142600001 285200002 570400004 7557800053 15115600106 30231200212