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213202010213 = 263578089009
BaseRepresentation
bin1100011010001111010…
…1001000000001100101
3202101022102012021212122
43012203311020001211
511443114203311323
6241535454555325
721255226120463
oct3064365100145
9671272167778
10213202010213
1182466a81945
12353a0b08b45
131714950013a
14a4675d3833
15582c4caec8
hex31a3d48065

213202010213 has 4 divisors (see below), whose sum is σ = 213210125580. Its totient is φ = 213193894848.

The previous prime is 213202010207. The next prime is 213202010221. The reversal of 213202010213 is 312010202312.

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 163035865729 + 50166144484 = 403777^2 + 223978^2 .

It is a cyclic number.

It is not a de Polignac number, because 213202010213 - 218 = 213201748069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213202010191 and 213202010200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213202310213) 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, 4018148 + ... + 4070861.

It is an arithmetic number, because the mean of its divisors is an integer number (53302531395).

Almost surely, 2213202010213 is an apocalyptic number.

It is an amenable number.

213202010213 is a deficient number, since it is larger than the sum of its proper divisors (8115367).

213202010213 is an equidigital number, since it uses as much as digits as its factorization.

213202010213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8115366.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 213202010213 its reverse (312010202312), we get a palindrome (525212212525).

The spelling of 213202010213 in words is "two hundred thirteen billion, two hundred two million, ten thousand, two hundred thirteen".

Divisors: 1 26357 8089009 213202010213