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213112102230013 = 730444586032859
BaseRepresentation
bin110000011101001100000111…
…001001101001011111111101
31000221120022120211020220122211
4300131030013021221133331
5210413112041132330023
62033130203113540421
762613561363322150
oct6035140711513775
91027508524226584
10213112102230013
11619a4375984728
121ba9a677a14711
1391bb500b3307c
143a8a9760d9c97
151998805176a0d
hexc1d3072697fd

213112102230013 has 4 divisors (see below), whose sum is σ = 243556688262880. Its totient is φ = 182667516197148.

The previous prime is 213112102229989. The next prime is 213112102230029. The reversal of 213112102230013 is 310032201211312.

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 213112102230013 - 29 = 213112102229501 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 (213112102230113) 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, 15222293016423 + ... + 15222293016436.

It is an arithmetic number, because the mean of its divisors is an integer number (60889172065720).

Almost surely, 2213112102230013 is an apocalyptic number.

It is an amenable number.

213112102230013 is a deficient number, since it is larger than the sum of its proper divisors (30444586032867).

213112102230013 is an equidigital number, since it uses as much as digits as its factorization.

213112102230013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30444586032866.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 213112102230013 its reverse (310032201211312), we get a palindrome (523144303441325).

The spelling of 213112102230013 in words is "two hundred thirteen trillion, one hundred twelve billion, one hundred two million, two hundred thirty thousand, thirteen".

Divisors: 1 7 30444586032859 213112102230013