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213244204201 = 730463457743
BaseRepresentation
bin1100011010011001011…
…0000101010010101001
3202101102100120222010221
43012212112011102221
511443211004013301
6241544003210041
721256250554150
oct3064626052251
9671370528127
10213244204201
1182488880906
12353b3076921
13171551844b2
14a46d058597
155831062da1
hex31a65854a9

213244204201 has 4 divisors (see below), whose sum is σ = 243707661952. Its totient is φ = 182780746452.

The previous prime is 213244204193. The next prime is 213244204231. The reversal of 213244204201 is 102402442312.

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 not a de Polignac number, because 213244204201 - 23 = 213244204193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213244204231) 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, 15231728865 + ... + 15231728878.

It is an arithmetic number, because the mean of its divisors is an integer number (60926915488).

Almost surely, 2213244204201 is an apocalyptic number.

It is an amenable number.

213244204201 is a deficient number, since it is larger than the sum of its proper divisors (30463457751).

213244204201 is an equidigital number, since it uses as much as digits as its factorization.

213244204201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30463457750.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 213244204201 its reverse (102402442312), we get a palindrome (315646646513).

The spelling of 213244204201 in words is "two hundred thirteen billion, two hundred forty-four million, two hundred four thousand, two hundred one".

Divisors: 1 7 30463457743 213244204201