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213232213313021 = 7108048128192763
BaseRepresentation
bin110000011110111011111110…
…010101000100010111111101
31000221222210121120110010101202
4300132323332111010113331
5210422044033102004041
62033301305415145245
762625343011556550
oct6036737625042775
91027883546403352
10213232213313021
1161a40301510091
121bab99b8975225
1391c9933041716
143a926cc0ba697
15199b9d4c70a9b
hexc1eefe5445fd

213232213313021 has 8 divisors (see below), whose sum is σ = 243694192257984. Its totient is φ = 182770292914560.

The previous prime is 213232213312961. The next prime is 213232213313023. The reversal of 213232213313021 is 120313312232312.

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 213232213313021 - 234 = 213215033443837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213232213313023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6533015 + ... + 21659748.

It is an arithmetic number, because the mean of its divisors is an integer number (30461774032248).

Almost surely, 2213232213313021 is an apocalyptic number.

It is an amenable number.

213232213313021 is a deficient number, since it is larger than the sum of its proper divisors (30461978944963).

213232213313021 is a wasteful number, since it uses less digits than its factorization.

213232213313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29273251.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 213232213313021 its reverse (120313312232312), we get a palindrome (333545525545333).

The spelling of 213232213313021 in words is "two hundred thirteen trillion, two hundred thirty-two billion, two hundred thirteen million, three hundred thirteen thousand, twenty-one".

Divisors: 1 7 1080481 7563367 28192763 197349341 30461744759003 213232213313021