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212202223313 = 1633912987467
BaseRepresentation
bin1100010110100000111…
…1001111011011010001
3202021201201220212002012
43011220033033123101
511434042232121223
6241252342032305
721221366065043
oct3055017173321
9667651825065
10212202223313
1181aa3694183
1235162118695
131701a338c62
14a3b08dda93
1557be83cc78
hex31683cf6d1

212202223313 has 4 divisors (see below), whose sum is σ = 212215227120. Its totient is φ = 212189219508.

The previous prime is 212202223309. The next prime is 212202223469. The reversal of 212202223313 is 313322202212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212202223313 - 22 = 212202223309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212202223213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6477395 + ... + 6510072.

It is an arithmetic number, because the mean of its divisors is an integer number (53053806780).

Almost surely, 2212202223313 is an apocalyptic number.

It is an amenable number.

212202223313 is a deficient number, since it is larger than the sum of its proper divisors (13003807).

212202223313 is a wasteful number, since it uses less digits than its factorization.

212202223313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13003806.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 212202223313 its reverse (313322202212), we get a palindrome (525524425525).

The spelling of 212202223313 in words is "two hundred twelve billion, two hundred two million, two hundred twenty-three thousand, three hundred thirteen".

Divisors: 1 16339 12987467 212202223313