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212302011213 = 3223589112357
BaseRepresentation
bin1100010110111000101…
…1111001101101001101
3202021222200200121100100
43011232023321231031
511434243303324323
6241310304521313
721224020214625
oct3055613715515
9667880617310
10212302011213
1182044a50316
123518b620239
1317034c07056
14a3bdc77885
1557c849e943
hex316e2f9b4d

212302011213 has 6 divisors (see below), whose sum is σ = 306658460654. Its totient is φ = 141534674136.

The previous prime is 212302011191. The next prime is 212302011223. The reversal of 212302011213 is 312110203212.

212302011213 is a `hidden beast` number, since 21 + 230 + 201 + 1 + 213 = 666.

It can be written as a sum of positive squares in only one way, i.e., 125488103049 + 86813908164 = 354243^2 + 294642^2 .

It is not a de Polignac number, because 212302011213 - 210 = 212302010189 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 (212302011223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11794556170 + ... + 11794556187.

Almost surely, 2212302011213 is an apocalyptic number.

It is an amenable number.

212302011213 is a deficient number, since it is larger than the sum of its proper divisors (94356449441).

212302011213 is a wasteful number, since it uses less digits than its factorization.

212302011213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23589112363 (or 23589112360 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212302011213 its reverse (312110203212), we get a palindrome (524412214425).

The spelling of 212302011213 in words is "two hundred twelve billion, three hundred two million, eleven thousand, two hundred thirteen".

Divisors: 1 3 9 23589112357 70767337071 212302011213