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284490866801 is a prime number
BaseRepresentation
bin1000010001111001111…
…10100010000001110001
31000012022122202102121102
410020330332202001301
514130114130214201
6334405430334145
726360643316511
oct4107476420161
91005278672542
10284490866801
11aa71974aa49
12471774ba355
1320a9a98060b
14daab469841
157600d2a26b
hex423cfa2071

284490866801 has 2 divisors, whose sum is σ = 284490866802. Its totient is φ = 284490866800.

The previous prime is 284490866749. The next prime is 284490866819. The reversal of 284490866801 is 108668094482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268215231025 + 16275635776 = 517895^2 + 127576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-284490866801 is a prime.

It is not a weakly prime, because it can be changed into another prime (284490866831) by changing a digit.

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, 142245433400 + 142245433401.

It is an arithmetic number, because the mean of its divisors is an integer number (142245433401).

Almost surely, 2284490866801 is an apocalyptic number.

It is an amenable number.

284490866801 is a deficient number, since it is larger than the sum of its proper divisors (1).

284490866801 is an equidigital number, since it uses as much as digits as its factorization.

284490866801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 284490866801 in words is "two hundred eighty-four billion, four hundred ninety million, eight hundred sixty-six thousand, eight hundred one".