Base | Representation |
---|---|
bin | 11001010011110… |
… | …10000110001111 |
3 | 112210111120221120 |
4 | 30221322012033 |
5 | 413322444323 |
6 | 33022332023 |
7 | 5155424526 |
oct | 1451720617 |
9 | 483446846 |
10 | 212312463 |
11 | a9932550 |
12 | 5b12a013 |
13 | 34ca859c |
14 | 202a94bd |
15 | 1398c5e3 |
hex | ca7a18f |
212312463 has 8 divisors (see below), whose sum is σ = 308818176. Its totient is φ = 128674200.
The previous prime is 212312461. The next prime is 212312537. The reversal of 212312463 is 364213212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 212312463 - 21 = 212312461 is a prime.
It is a super-3 number, since 3×2123124633 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212312461) 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, 3216823 + ... + 3216888.
It is an arithmetic number, because the mean of its divisors is an integer number (38602272).
Almost surely, 2212312463 is an apocalyptic number.
212312463 is a deficient number, since it is larger than the sum of its proper divisors (96505713).
212312463 is a wasteful number, since it uses less digits than its factorization.
212312463 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6433725.
The product of its digits is 1728, while the sum is 24.
The square root of 212312463 is about 14570.9458512480. The cubic root of 212312463 is about 596.5659974282.
Adding to 212312463 its reverse (364213212), we get a palindrome (576525675).
The spelling of 212312463 in words is "two hundred twelve million, three hundred twelve thousand, four hundred sixty-three".
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