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212020222313 = 392953962897
BaseRepresentation
bin1100010101110101100…
…0111101100101101001
3202021021001110020122102
43011131120331211221
511433204134103223
6241222321103145
721214026103634
oct3053530754551
9667231406572
10212020222313
1181a0a985129
1235111187ab5
1316cbb714363
14a394684c1b
1557ad88b928
hex315d63d969

212020222313 has 4 divisors (see below), whose sum is σ = 212074189140. Its totient is φ = 211966255488.

The previous prime is 212020222301. The next prime is 212020222333. The reversal of 212020222313 is 313222020212.

It is a happy number.

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 141355696729 + 70664525584 = 375973^2 + 265828^2 .

It is a cyclic number.

It is not a de Polignac number, because 212020222313 - 218 = 212019960169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020222333) 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, 26977520 + ... + 26985377.

It is an arithmetic number, because the mean of its divisors is an integer number (53018547285).

Almost surely, 2212020222313 is an apocalyptic number.

It is an amenable number.

212020222313 is a deficient number, since it is larger than the sum of its proper divisors (53966827).

212020222313 is an equidigital number, since it uses as much as digits as its factorization.

212020222313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53966826.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212020222313 its reverse (313222020212), we get a palindrome (525242242525).

The spelling of 212020222313 in words is "two hundred twelve billion, twenty million, two hundred twenty-two thousand, three hundred thirteen".

Divisors: 1 3929 53962897 212020222313