Base | Representation |
---|---|
bin | 1111110010010… |
… | …1101100111001 |
3 | 11121121001111210 |
4 | 3330211230321 |
5 | 113422332323 |
6 | 10323113333 |
7 | 1432546545 |
oct | 374455471 |
9 | 147531453 |
10 | 66214713 |
11 | 34416104 |
12 | 1a212849 |
13 | 10944906 |
14 | 8b18a25 |
15 | 5c2e293 |
hex | 3f25b39 |
66214713 has 8 divisors (see below), whose sum is σ = 90439776. Its totient is φ = 43066400.
The previous prime is 66214679. The next prime is 66214727. The reversal of 66214713 is 31741266.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 66214713 - 216 = 66149177 is a prime.
It is not an unprimeable number, because it can be changed into a prime (66214783) 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, 269043 + ... + 269288.
It is an arithmetic number, because the mean of its divisors is an integer number (11304972).
Almost surely, 266214713 is an apocalyptic number.
It is an amenable number.
66214713 is a deficient number, since it is larger than the sum of its proper divisors (24225063).
66214713 is a wasteful number, since it uses less digits than its factorization.
66214713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 538375.
The product of its digits is 6048, while the sum is 30.
The square root of 66214713 is about 8137.2423461514. The cubic root of 66214713 is about 404.5617634341.
Adding to 66214713 its reverse (31741266), we get a palindrome (97955979).
The spelling of 66214713 in words is "sixty-six million, two hundred fourteen thousand, seven hundred thirteen".
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