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289967000868 = 223217217672
BaseRepresentation
bin1000011100000110110…
…00010100110100100100
31000201110022001212022200
410032003120110310210
514222323023011433
6341113051054500
726643436561116
oct4160330246444
91021408055280
10289967000868
11101a798a3586
1248245441430
132146135932c
141006a86d3b6
157821983613
hex4383614d24

289967000868 has 54 divisors (see below), whose sum is σ = 776123805366. Its totient is φ = 90965860224.

The previous prime is 289967000797. The next prime is 289967000887. The reversal of 289967000868 is 868000769982.

It can be written as a sum of positive squares in only one way, i.e., 272910118464 + 17056882404 = 522408^2 + 130602^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13310521 + ... + 13332287.

Almost surely, 2289967000868 is an apocalyptic number.

It is an amenable number.

289967000868 is an abundant number, since it is smaller than the sum of its proper divisors (486156804498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289967000868 is an equidigital number, since it uses as much as digits as its factorization.

289967000868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43561 (or 21789 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 289967000868 in words is "two hundred eighty-nine billion, nine hundred sixty-seven million, eight hundred sixty-eight", and thus it is an aban number.

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 21767 43534 65301 87068 130602 195903 261204 370039 391806 740078 783612 1110117 1480156 2220234 3330351 4440468 6660702 13321404 473802289 947604578 1421406867 1895209156 2842813734 4264220601 5685627468 8054638913 8528441202 16109277826 17056882404 24163916739 32218555652 48327833478 72491750217 96655666956 144983500434 289967000868