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213120200113 = 1468571451209
BaseRepresentation
bin1100011001111011110…
…1000010110110110001
3202101002201020220111221
43012132331002312301
511442432232400423
6241523413305041
721253213545202
oct3063675026661
9671081226457
10213120200113
1182424884797
1235379635181
1317135587bb2
14a45a7b95a9
15582521ae5d
hex319ef42db1

213120200113 has 4 divisors (see below), whose sum is σ = 213121798180. Its totient is φ = 213118602048.

The previous prime is 213120200107. The next prime is 213120200129. The reversal of 213120200113 is 311002021312.

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 60092148769 + 153028051344 = 245137^2 + 391188^2 .

It is a cyclic number.

It is not a de Polignac number, because 213120200113 - 229 = 212583329201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213120206113) 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, 578748 + ... + 872461.

It is an arithmetic number, because the mean of its divisors is an integer number (53280449545).

Almost surely, 2213120200113 is an apocalyptic number.

It is an amenable number.

213120200113 is a deficient number, since it is larger than the sum of its proper divisors (1598067).

213120200113 is a wasteful number, since it uses less digits than its factorization.

213120200113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598066.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 213120200113 its reverse (311002021312), we get a palindrome (524122221425).

The spelling of 213120200113 in words is "two hundred thirteen billion, one hundred twenty million, two hundred thousand, one hundred thirteen".

Divisors: 1 146857 1451209 213120200113