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213201013313 = 375762189549
BaseRepresentation
bin1100011010001111000…
…1010100101001000001
3202101022100022122101102
43012203301110221001
511443113424411223
6241535421344145
721255214466201
oct3064361245101
9671270278342
10213201013313
1182466460962
12353a0708055
1317149241462
14a467414401
15582c380928
hex31a3c54a41

213201013313 has 4 divisors (see below), whose sum is σ = 218963202900. Its totient is φ = 207438823728.

The previous prime is 213201013301. The next prime is 213201013357. The reversal of 213201013313 is 313310102312.

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 170299004929 + 42902008384 = 412673^2 + 207128^2 .

It is a cyclic number.

It is not a de Polignac number, because 213201013313 - 228 = 212932577857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213201013013) 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, 2881094738 + ... + 2881094811.

It is an arithmetic number, because the mean of its divisors is an integer number (54740800725).

Almost surely, 2213201013313 is an apocalyptic number.

It is an amenable number.

213201013313 is a deficient number, since it is larger than the sum of its proper divisors (5762189587).

213201013313 is an equidigital number, since it uses as much as digits as its factorization.

213201013313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762189586.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 213201013313 its reverse (313310102312), we get a palindrome (526511115625).

The spelling of 213201013313 in words is "two hundred thirteen billion, two hundred one million, thirteen thousand, three hundred thirteen".

Divisors: 1 37 5762189549 213201013313