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213112113223 = 1012609808747
BaseRepresentation
bin1100011001111001111…
…0001100100001000111
3202101002011001001101111
43012132132030201013
511442423200110343
6241522524105451
721253055034232
oct3063636144107
9671064031344
10213112113223
1182420260a09
1235376995287
13171339b6059
14a4596b2419
15582466ec9d
hex319e78c847

213112113223 has 8 divisors (see below), whose sum is σ = 215304892560. Its totient is φ = 210920956800.

The previous prime is 213112113217. The next prime is 213112113289. The reversal of 213112113223 is 322311211312.

213112113223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-213112113223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213112113194 and 213112113203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213112113293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140865 + ... + 667882.

It is an arithmetic number, because the mean of its divisors is an integer number (26913111570).

Almost surely, 2213112113223 is an apocalyptic number.

213112113223 is a deficient number, since it is larger than the sum of its proper divisors (2192779337).

213112113223 is a wasteful number, since it uses less digits than its factorization.

213112113223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811457.

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

Adding to 213112113223 its reverse (322311211312), we get a palindrome (535423324535).

The spelling of 213112113223 in words is "two hundred thirteen billion, one hundred twelve million, one hundred thirteen thousand, two hundred twenty-three".

Divisors: 1 101 2609 263509 808747 81683447 2110020923 213112113223