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212032321313 = 1712472489489
BaseRepresentation
bin1100010101111000011…
…1000111011100100001
3202021021220012221100112
43011132013013130201
511433220233240223
6241223432301105
721214233664661
oct3053607073441
9667256187315
10212032321313
1181a167992aa
1235115241795
1316cc108c427
14a3961141a1
1557ae97b778
hex315e1c7721

212032321313 has 4 divisors (see below), whose sum is σ = 224504810820. Its totient is φ = 199559831808.

The previous prime is 212032321297. The next prime is 212032321349. The reversal of 212032321313 is 313123230212.

212032321313 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.

It can be written as a sum of positive squares in 2 ways, for example, as 150433052449 + 61599268864 = 387857^2 + 248192^2 .

It is a cyclic number.

It is not a de Polignac number, because 212032321313 - 24 = 212032321297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212032321913) 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, 6236244728 + ... + 6236244761.

It is an arithmetic number, because the mean of its divisors is an integer number (56126202705).

Almost surely, 2212032321313 is an apocalyptic number.

It is an amenable number.

212032321313 is a deficient number, since it is larger than the sum of its proper divisors (12472489507).

212032321313 is a wasteful number, since it uses less digits than its factorization.

212032321313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12472489506.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212032321313 its reverse (313123230212), we get a palindrome (525155551525).

The spelling of 212032321313 in words is "two hundred twelve billion, thirty-two million, three hundred twenty-one thousand, three hundred thirteen".

Divisors: 1 17 12472489489 212032321313