Base | Representation |
---|---|
bin | 111101101110110100… |
… | …000101010001011010 |
3 | 20100002102101121200200 |
4 | 331232310011101122 |
5 | 2041222104000112 |
6 | 50241132443030 |
7 | 4534366532214 |
oct | 755664052132 |
9 | 210072347620 |
10 | 66283656282 |
11 | 2612443a028 |
12 | 10a1a319476 |
13 | 63345208bc |
14 | 32cb21d5b4 |
15 | 1ace21bcdc |
hex | f6ed0545a |
66283656282 has 12 divisors (see below), whose sum is σ = 143614588650. Its totient is φ = 22094552088.
The previous prime is 66283656281. The next prime is 66283656289. The reversal of 66283656282 is 28265638266.
66283656282 is a `hidden beast` number, since 6 + 6 + 2 + 8 + 3 + 6 + 5 + 628 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 57710933361 + 8572722921 = 240231^2 + 92589^2 .
It is a super-2 number, since 2×662836562822 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (66283656281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1841212657 + ... + 1841212692.
Almost surely, 266283656282 is an apocalyptic number.
66283656282 is an abundant number, since it is smaller than the sum of its proper divisors (77330932368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66283656282 is a wasteful number, since it uses less digits than its factorization.
66283656282 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3682425357 (or 3682425354 counting only the distinct ones).
The product of its digits is 9953280, while the sum is 54.
The spelling of 66283656282 in words is "sixty-six billion, two hundred eighty-three million, six hundred fifty-six thousand, two hundred eighty-two".
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