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201212302321 = 3726099208367
BaseRepresentation
bin1011101101100100110…
…0000001001111110001
3201020100211110000122101
42323121030001033301
511244040322133241
6232234033540401
720352141231052
oct2733114011761
9636324400571
10201212302321
117837410a948
1232bb5714701
1315c88530124
149a4b0d4729
155379adee31
hex2ed93013f1

201212302321 has 8 divisors (see below), whose sum is σ = 206659382400. Its totient is φ = 195765691248.

The previous prime is 201212302309. The next prime is 201212302327. The reversal of 201212302321 is 123203212102.

201212302321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201212302321 - 215 = 201212269553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201212302327) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 861480 + ... + 1069846.

It is an arithmetic number, because the mean of its divisors is an integer number (25832422800).

Almost surely, 2201212302321 is an apocalyptic number.

It is an amenable number.

201212302321 is a deficient number, since it is larger than the sum of its proper divisors (5447080079).

201212302321 is a wasteful number, since it uses less digits than its factorization.

201212302321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234503.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201212302321 its reverse (123203212102), we get a palindrome (324415514423).

The spelling of 201212302321 in words is "two hundred one billion, two hundred twelve million, three hundred two thousand, three hundred twenty-one".

Divisors: 1 37 26099 208367 965663 7709579 5438170333 201212302321