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303130121212 = 22974331804303
BaseRepresentation
bin1000110100100111111…
…01101001001111111100
31001222102122210122211101
410122103331221033330
514431302302334322
6351131150302444
730620563342222
oct4322375511774
91058378718741
10303130121212
11107614061736
124a8b97b7a24
132277b471b39
1410958b3ab12
157d423a7327
hex4693f693fc

303130121212 has 24 divisors (see below), whose sum is σ = 537184604096. Its totient is φ = 149656025088.

The previous prime is 303130121207. The next prime is 303130121227. The reversal of 303130121212 is 212121031303.

It is a self number, because there is not a number n which added to its sum of digits gives 303130121212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734148 + ... + 1070155.

Almost surely, 2303130121212 is an apocalyptic number.

It is an amenable number.

303130121212 is a deficient number, since it is larger than the sum of its proper divisors (234054482884).

303130121212 is a wasteful number, since it uses less digits than its factorization.

303130121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804837 (or 1804835 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 303130121212 its reverse (212121031303), we get a palindrome (515251152515).

The spelling of 303130121212 in words is "three hundred three billion, one hundred thirty million, one hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 97 194 388 433 866 1732 42001 84002 168004 1804303 3608606 7217212 175017391 350034782 700069564 781263199 1562526398 3125052796 75782530303 151565060606 303130121212