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289235468017 = 303199539743
BaseRepresentation
bin1000011010101111100…
…01101111111011110001
31000122120022120010220101
410031113301233323301
514214323234434032
6340512315512401
726616344625226
oct4152761577361
91018508503811
10289235468017
11101733977081
1248080458701
1321375929362
14dddb64794d
1577cc632de7
hex4357c6fef1

289235468017 has 4 divisors (see below), whose sum is σ = 289245038080. Its totient is φ = 289225897956.

The previous prime is 289235468009. The next prime is 289235468033. The reversal of 289235468017 is 710864532982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 289235468017 - 23 = 289235468009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289235468047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4739553 + ... + 4800190.

It is an arithmetic number, because the mean of its divisors is an integer number (72311259520).

It is a 1-persistent number, because it is pandigital, but 2⋅289235468017 = 578470936034 is not.

Almost surely, 2289235468017 is an apocalyptic number.

It is an amenable number.

289235468017 is a deficient number, since it is larger than the sum of its proper divisors (9570063).

289235468017 is an equidigital number, since it uses as much as digits as its factorization.

289235468017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9570062.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 289235468017 in words is "two hundred eighty-nine billion, two hundred thirty-five million, four hundred sixty-eight thousand, seventeen".

Divisors: 1 30319 9539743 289235468017