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66283656282 = 2323682425349
BaseRepresentation
bin111101101110110100…
…000101010001011010
320100002102101121200200
4331232310011101122
52041222104000112
650241132443030
74534366532214
oct755664052132
9210072347620
1066283656282
112612443a028
1210a1a319476
1363345208bc
1432cb21d5b4
151ace21bcdc
hexf6ed0545a

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".

Divisors: 1 2 3 6 9 18 3682425349 7364850698 11047276047 22094552094 33141828141 66283656282