Base | Representation |
---|---|
bin | 110000001110111001011110… |
… | …000101101100010111110101 |
3 | 1000211002102122100200010110011 |
4 | 300032321132011230113311 |
5 | 210301014231401101323 |
6 | 2031055103251500221 |
7 | 62452613324210521 |
oct | 6016713605542765 |
9 | 1024072570603404 |
10 | 212130013300213 |
11 | 61655919320998 |
12 | 1b9602742b7671 |
13 | 9149a0b52c028 |
14 | 3a5520c770d81 |
15 | 197cec609e20d |
hex | c0ee5e16c5f5 |
212130013300213 has 4 divisors (see below), whose sum is σ = 221353057356768. Its totient is φ = 202906969243660.
The previous prime is 212130013300189. The next prime is 212130013300253. The reversal of 212130013300213 is 312003310031212.
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 a de Polignac number, because none of the positive numbers 2k-212130013300213 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 (212130013300253) 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, 4611522028243 + ... + 4611522028288.
It is an arithmetic number, because the mean of its divisors is an integer number (55338264339192).
Almost surely, 2212130013300213 is an apocalyptic number.
212130013300213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
212130013300213 is a deficient number, since it is larger than the sum of its proper divisors (9223044056555).
212130013300213 is an equidigital number, since it uses as much as digits as its factorization.
212130013300213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9223044056554.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 212130013300213 its reverse (312003310031212), we get a palindrome (524133323331425).
The spelling of 212130013300213 in words is "two hundred twelve trillion, one hundred thirty billion, thirteen million, three hundred thousand, two hundred thirteen".
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