Base | Representation |
---|---|
bin | 1100011001011111011… |
… | …0001001010001101101 |
3 | 202100210101212102100011 |
4 | 3012113312021101231 |
5 | 11442211220412033 |
6 | 241503513333221 |
7 | 21250235131633 |
oct | 3062766112155 |
9 | 670711772304 |
10 | 213000950893 |
11 | 82373536015 |
12 | 35345707211 |
13 | 17116964923 |
14 | a448a17353 |
15 | 5819a12ccd |
hex | 3197d8946d |
213000950893 has 4 divisors (see below), whose sum is σ = 213884772508. Its totient is φ = 212117129280.
The previous prime is 213000950873. The next prime is 213000950947. The reversal of 213000950893 is 398059000312.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 136425332164 + 76575618729 = 369358^2 + 276723^2 .
It is a cyclic number.
It is not a de Polignac number, because 213000950893 - 29 = 213000950381 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 (213000950873) 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, 441910446 + ... + 441910927.
It is an arithmetic number, because the mean of its divisors is an integer number (53471193127).
Almost surely, 2213000950893 is an apocalyptic number.
It is an amenable number.
213000950893 is a deficient number, since it is larger than the sum of its proper divisors (883821615).
213000950893 is an equidigital number, since it uses as much as digits as its factorization.
213000950893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 883821614.
The product of its (nonzero) digits is 58320, while the sum is 40.
The spelling of 213000950893 in words is "two hundred thirteen billion, nine hundred fifty thousand, eight hundred ninety-three".
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