Base | Representation |
---|---|
bin | 1100010010110101001… |
… | …0011101001011001001 |
3 | 202012011210220210022002 |
4 | 3010231102131023021 |
5 | 11430031040212223 |
6 | 241010252040345 |
7 | 21155026444160 |
oct | 3045522351311 |
9 | 665153823262 |
10 | 211213210313 |
11 | 81636395066 |
12 | 34b26a630b5 |
13 | 16bc0477971 |
14 | a3194123d7 |
15 | 5762acbe28 |
hex | 312d49d2c9 |
211213210313 has 8 divisors (see below), whose sum is σ = 255585733632. Its totient is φ = 170390488896.
The previous prime is 211213210301. The next prime is 211213210331. The reversal of 211213210313 is 313012312112.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 211213210313 - 216 = 211213144777 is a prime.
It is a super-2 number, since 2×2112132103132 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (211213210363) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887450345 + ... + 887450582.
It is an arithmetic number, because the mean of its divisors is an integer number (31948216704).
Almost surely, 2211213210313 is an apocalyptic number.
It is an amenable number.
211213210313 is a deficient number, since it is larger than the sum of its proper divisors (44372523319).
211213210313 is a wasteful number, since it uses less digits than its factorization.
211213210313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1774900951.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 211213210313 its reverse (313012312112), we get a palindrome (524225522425).
The spelling of 211213210313 in words is "two hundred eleven billion, two hundred thirteen million, two hundred ten thousand, three hundred thirteen".
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