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204331310212 = 221773283145451
BaseRepresentation
bin1011111001001100011…
…0000101110010000100
3201112102012102001010011
42332103012011302010
511321432303411322
6233511333040004
720522343323401
oct2762306056204
9645365361104
10204331310212
1179724774717
1233726186004
1316364781b23
149c654392a8
1554ad840677
hex2f93185c84

204331310212 has 48 divisors (see below), whose sum is σ = 385159223232. Its totient is φ = 94502937600.

The previous prime is 204331310203. The next prime is 204331310219. The reversal of 204331310212 is 212013133402.

It is not an unprimeable number, because it can be changed into a prime (204331310219) 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 15 ways as a sum of consecutive naturals, for example, 1332087 + ... + 1477537.

It is an arithmetic number, because the mean of its divisors is an integer number (8024150484).

Almost surely, 2204331310212 is an apocalyptic number.

It is an amenable number.

204331310212 is a deficient number, since it is larger than the sum of its proper divisors (180827913020).

204331310212 is a wasteful number, since it uses less digits than its factorization.

204331310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145828 (or 145826 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 204331310212 its reverse (212013133402), we get a palindrome (416344443614).

The spelling of 204331310212 in words is "two hundred four billion, three hundred thirty-one million, three hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 73 146 283 292 566 1132 1241 2482 4811 4964 9622 19244 20659 41318 82636 145451 290902 351203 581804 702406 1404812 2472667 4945334 9890668 10617923 21235846 41162633 42471692 82325266 164650532 180504691 361009382 699764761 722018764 1399529522 2799059044 3004872209 6009744418 12019488836 51082827553 102165655106 204331310212