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284490866873 = 14934920272699
BaseRepresentation
bin1000010001111001111…
…10100010000010111001
31000012022122202102201002
410020330332202002321
514130114130214443
6334405430334345
726360643316643
oct4107476420271
91005278672632
10284490866873
11aa719750004
12471774ba3b5
1320a9a980665
14daab469893
157600d2a2b8
hex423cfa20b9

284490866873 has 16 divisors (see below), whose sum is σ = 287469000000. Its totient is φ = 281528486592.

The previous prime is 284490866867. The next prime is 284490866887. The reversal of 284490866873 is 378668094482.

It is a cyclic number.

It is not a de Polignac number, because 284490866873 - 24 = 284490866857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (284490866843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105404678 + ... + 105407376.

It is an arithmetic number, because the mean of its divisors is an integer number (17966812500).

Almost surely, 2284490866873 is an apocalyptic number.

It is an amenable number.

284490866873 is a deficient number, since it is larger than the sum of its proper divisors (2978133127).

284490866873 is a wasteful number, since it uses less digits than its factorization.

284490866873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5224.

The product of its (nonzero) digits is 111476736, while the sum is 65.

The spelling of 284490866873 in words is "two hundred eighty-four billion, four hundred ninety million, eight hundred sixty-six thousand, eight hundred seventy-three".

Divisors: 1 149 349 2027 2699 52001 302023 402151 707423 941951 5470873 105406027 140350699 815160077 1909334677 284490866873