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6663368084 = 221665842021
BaseRepresentation
bin1100011010010101…
…01110110110010100
3122012101022011121112
412031022232312110
5102121310234314
63021111034152
7324060460052
oct61512566624
918171264545
106663368084
11290a33007a
12135b66b958
13822650669
14472d6d1d2
1528eec143e
hex18d2aed94

6663368084 has 6 divisors (see below), whose sum is σ = 11660894154. Its totient is φ = 3331684040.

The previous prime is 6663368071. The next prime is 6663368099. The reversal of 6663368084 is 4808633666.

It can be written as a sum of positive squares in only one way, i.e., 6564564484 + 98803600 = 81022^2 + 9940^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 832921007 + ... + 832921014.

It is an arithmetic number, because the mean of its divisors is an integer number (1943482359).

Almost surely, 26663368084 is an apocalyptic number.

It is an amenable number.

6663368084 is a deficient number, since it is larger than the sum of its proper divisors (4997526070).

6663368084 is a wasteful number, since it uses less digits than its factorization.

6663368084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665842025 (or 1665842023 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 50.

The square root of 6663368084 is about 81629.4559825067. The cubic root of 6663368084 is about 1881.7615980392.

The spelling of 6663368084 in words is "six billion, six hundred sixty-three million, three hundred sixty-eight thousand, eighty-four".

Divisors: 1 2 4 1665842021 3331684042 6663368084