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213042211000405 = 52936072878147
BaseRepresentation
bin110000011100001011000001…
…010011110001000001010101
31000221022122011222120120201021
4300130023001103301001111
5210410440422004003110
62033034123550201141
762605535406553303
oct6034130123610125
91027278158516637
10213042211000405
1161977770124446
121ba890114b31b1
1391b4a430b01c7
143a87425b19273
151996ab439e2da
hexc1c2c14f1055

213042211000405 has 32 divisors (see below), whose sum is σ = 265216963415040. Its totient is φ = 164285586787392.

The previous prime is 213042211000351. The next prime is 213042211000433. The reversal of 213042211000405 is 504000112240312.

It is not a de Polignac number, because 213042211000405 - 215 = 213042210967637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213042211000405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72581542 + ... + 75459688.

It is an arithmetic number, because the mean of its divisors is an integer number (8288030106720).

Almost surely, 2213042211000405 is an apocalyptic number.

It is an amenable number.

213042211000405 is a deficient number, since it is larger than the sum of its proper divisors (52174752414635).

213042211000405 is an frugal number, since it uses more digits than its factorization.

213042211000405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878846 (or 2878788 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 213042211000405 its reverse (504000112240312), we get a palindrome (717042323240717).

The spelling of 213042211000405 in words is "two hundred thirteen trillion, forty-two billion, two hundred eleven million, four hundred five", and thus it is an aban number.

Divisors: 1 5 29 145 607 841 3035 4205 17603 24389 88015 121945 510487 2552435 2878147 14390735 14804123 74020615 83466263 417331315 1747035229 2420521627 8735176145 12102608135 50664021641 70195127183 253320108205 350975635915 1469256627589 7346283137945 42608442200081 213042211000405