Base | Representation |
---|---|
bin | 11001010011110… |
… | …10010011101011 |
3 | 112210111122010102 |
4 | 30221322103223 |
5 | 413323011243 |
6 | 33022340015 |
7 | 5155430165 |
oct | 1451722353 |
9 | 483448112 |
10 | 212313323 |
11 | a9933162 |
12 | 5b12a60b |
13 | 34ca8ab1 |
14 | 202a9935 |
15 | 1398c9b8 |
hex | ca7a4eb |
212313323 has 8 divisors (see below), whose sum is σ = 225329328. Its totient is φ = 199355904.
The previous prime is 212313319. The next prime is 212313331. The reversal of 212313323 is 323313212.
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 212313323 - 22 = 212313319 is a prime.
It is a super-3 number, since 3×2123133233 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 212313295 and 212313304.
It is not an unprimeable number, because it can be changed into a prime (212313313) 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, 7061 + ... + 21782.
It is an arithmetic number, because the mean of its divisors is an integer number (28166166).
Almost surely, 2212313323 is an apocalyptic number.
212313323 is a deficient number, since it is larger than the sum of its proper divisors (13016005).
212313323 is a wasteful number, since it uses less digits than its factorization.
212313323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29293.
The product of its digits is 648, while the sum is 20.
The square root of 212313323 is about 14570.9753619996. The cubic root of 212313323 is about 596.5668029172.
Adding to 212313323 its reverse (323313212), we get a palindrome (535626535).
The spelling of 212313323 in words is "two hundred twelve million, three hundred thirteen thousand, three hundred twenty-three".
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