| Base | Representation |
|---|---|
| bin | 1100011011000100000… |
| … | …1010111110010011000 |
| 3 | 202101212211122012202010 |
| 4 | 3012301001113302120 |
| 5 | 11444042332334222 |
| 6 | 242013442305520 |
| 7 | 21263554216212 |
| oct | 3066101276230 |
| 9 | 671784565663 |
| 10 | 213423324312 |
| 11 | 8256a9a2460 |
| 12 | 354430582a0 |
| 13 | 1718330aa23 |
| 14 | a488b635b2 |
| 15 | 5841b4580c |
| hex | 31b1057c98 |
213423324312 has 128 divisors (see below), whose sum is σ = 585720253440. Its totient is φ = 64268542080.
The previous prime is 213423324311. The next prime is 213423324397.
It is a happy number.
213423324312 is nontrivially palindromic in base 10.
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 213423324312.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213423324311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35174703 + ... + 35180769.
It is an arithmetic number, because the mean of its divisors is an integer number (4575939480).
Almost surely, 2213423324312 is an apocalyptic number.
213423324312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 213423324312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292860126720).
213423324312 is an abundant number, since it is smaller than the sum of its proper divisors (372296929128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213423324312 is a wasteful number, since it uses less digits than its factorization.
213423324312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6901 (or 6897 counting only the distinct ones).
The product of its digits is 20736, while the sum is 30.
It can be divided in two parts, 213423 and 324312, that added together give a palindrome (537735).
The spelling of 213423324312 in words is "two hundred thirteen billion, four hundred twenty-three million, three hundred twenty-four thousand, three hundred twelve".
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