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213302313313 = 1091956901957
BaseRepresentation
bin1100011010100111001…
…1110000000101100001
3202101120101221012212021
43012221303300011201
511443320343011223
6241553440501441
721260554514365
oct3065163600541
9671511835767
10213302313313
1182508660071
123540a61a881
131716421b89b
14a476a632a5
1558361e065d
hex31a9cf0161

213302313313 has 4 divisors (see below), whose sum is σ = 215259215380. Its totient is φ = 211345411248.

The previous prime is 213302313311. The next prime is 213302313349. The reversal of 213302313313 is 313313203312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54892741264 + 158409572049 = 234292^2 + 398007^2 .

It is a cyclic number.

It is not a de Polignac number, because 213302313313 - 21 = 213302313311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213302313311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978450870 + ... + 978451087.

It is an arithmetic number, because the mean of its divisors is an integer number (53814803845).

Almost surely, 2213302313313 is an apocalyptic number.

It is an amenable number.

213302313313 is a deficient number, since it is larger than the sum of its proper divisors (1956902067).

213302313313 is a wasteful number, since it uses less digits than its factorization.

213302313313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956902066.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 213302313313 its reverse (313313203312), we get a palindrome (526615516625).

The spelling of 213302313313 in words is "two hundred thirteen billion, three hundred two million, three hundred thirteen thousand, three hundred thirteen".

Divisors: 1 109 1956901957 213302313313