Base | Representation |
---|---|
bin | 1100011001100111000… |
… | …0111001110110010101 |
3 | 202100212122102100201021 |
4 | 3012121300321312111 |
5 | 11442242440201123 |
6 | 241511023201141 |
7 | 21251105511454 |
oct | 3063160716625 |
9 | 670778370637 |
10 | 213033131413 |
11 | 8238a715793 |
12 | 353544461b1 |
13 | 1712052125b |
14 | a44cdd2b9b |
15 | 581c76cc5d |
hex | 3199c39d95 |
213033131413 has 4 divisors (see below), whose sum is σ = 213321404320. Its totient is φ = 212744858508.
The previous prime is 213033131411. The next prime is 213033131473. The reversal of 213033131413 is 314131330312.
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 213033131413 - 21 = 213033131411 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 (213033131411) 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, 144135345 + ... + 144136822.
It is an arithmetic number, because the mean of its divisors is an integer number (53330351080).
Almost surely, 2213033131413 is an apocalyptic number.
It is an amenable number.
213033131413 is a deficient number, since it is larger than the sum of its proper divisors (288272907).
213033131413 is an equidigital number, since it uses as much as digits as its factorization.
213033131413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 288272906.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 213033131413 its reverse (314131330312), we get a palindrome (527164461725).
The spelling of 213033131413 in words is "two hundred thirteen billion, thirty-three million, one hundred thirty-one thousand, four hundred thirteen".
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