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284490866867 is a prime number
BaseRepresentation
bin1000010001111001111…
…10100010000010110011
31000012022122202102200212
410020330332202002303
514130114130214432
6334405430334335
726360643316634
oct4107476420263
91005278672625
10284490866867
11aa71974aaa9
12471774ba3ab
1320a9a98065c
14daab46988b
157600d2a2b2
hex423cfa20b3

284490866867 has 2 divisors, whose sum is σ = 284490866868. Its totient is φ = 284490866866.

The previous prime is 284490866857. The next prime is 284490866887. The reversal of 284490866867 is 768668094482.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-284490866867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 284490866797 and 284490866806.

It is not a weakly prime, because it can be changed into another prime (284490866857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142245433433 + 142245433434.

It is an arithmetic number, because the mean of its divisors is an integer number (142245433434).

Almost surely, 2284490866867 is an apocalyptic number.

284490866867 is a deficient number, since it is larger than the sum of its proper divisors (1).

284490866867 is an equidigital number, since it uses as much as digits as its factorization.

284490866867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222953472, while the sum is 68.

The spelling of 284490866867 in words is "two hundred eighty-four billion, four hundred ninety million, eight hundred sixty-six thousand, eight hundred sixty-seven".