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213201020332007 = 427349894926359
BaseRepresentation
bin110000011110011110111011…
…000101010010011111100111
31000221212211002200100111201122
4300132132323011102133213
5210421041142201111012
62033235110245244155
762623160014605131
oct6036367305223747
91027784080314648
10213201020332007
1161a29054924834
121bab395240365b
1391c6a01771bc6
143a90dad44c051
15199acab545e72
hexc1e7bb1527e7

213201020332007 has 4 divisors (see below), whose sum is σ = 213250915262640. Its totient is φ = 213151125401376.

The previous prime is 213201020331961. The next prime is 213201020332039. The reversal of 213201020332007 is 700233020102312.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-213201020332007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213201020332507) 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, 24947458907 + ... + 24947467452.

It is an arithmetic number, because the mean of its divisors is an integer number (53312728815660).

Almost surely, 2213201020332007 is an apocalyptic number.

213201020332007 is a deficient number, since it is larger than the sum of its proper divisors (49894930633).

213201020332007 is an equidigital number, since it uses as much as digits as its factorization.

213201020332007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49894930632.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 213201020332007 its reverse (700233020102312), we get a palindrome (913434040434319).

The spelling of 213201020332007 in words is "two hundred thirteen trillion, two hundred one billion, twenty million, three hundred thirty-two thousand, seven".

Divisors: 1 4273 49894926359 213201020332007