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212303211313 = 1911173853227
BaseRepresentation
bin1100010110111001000…
…0011110101100110001
3202021222202221120120111
43011232100132230301
511434244110230223
6241310350341321
721224033343514
oct3055620365461
9667882846514
10212303211313
118204569aa36
123518baba841
131703523737b
14a3c00aad7b
1557c863a30d
hex316e41eb31

212303211313 has 4 divisors (see below), whose sum is σ = 223477064560. Its totient is φ = 201129358068.

The previous prime is 212303211301. The next prime is 212303211409. The reversal of 212303211313 is 313112303212.

212303211313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2k-212303211313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212303211413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5586926595 + ... + 5586926632.

It is an arithmetic number, because the mean of its divisors is an integer number (55869266140).

Almost surely, 2212303211313 is an apocalyptic number.

It is an amenable number.

212303211313 is a deficient number, since it is larger than the sum of its proper divisors (11173853247).

212303211313 is a wasteful number, since it uses less digits than its factorization.

212303211313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11173853246.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 212303211313 its reverse (313112303212), we get a palindrome (525415514525).

The spelling of 212303211313 in words is "two hundred twelve billion, three hundred three million, two hundred eleven thousand, three hundred thirteen".

Divisors: 1 19 11173853227 212303211313