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289384829645 = 52347217924571
BaseRepresentation
bin1000011011000001010…
…11100001001011001101
31000122221201121111112112
410031200223201023031
514220130004022040
6340535213113405
726623140315662
oct4154053411315
91018851544475
10289384829645
1110180021273a
1248102488865
132139a863812
1410013407a69
1577da7d8365
hex4360ae12cd

289384829645 has 32 divisors (see below), whose sum is σ = 370254827520. Its totient is φ = 216622486080.

The previous prime is 289384829627. The next prime is 289384829647. The reversal of 289384829645 is 546928483982.

It is a happy number.

It is not a de Polignac number, because 289384829645 - 26 = 289384829581 is a prime.

It is a super-3 number, since 3×2893848296453 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289384829647) 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 in 31 ways as a sum of consecutive naturals, for example, 11765210 + ... + 11789780.

It is an arithmetic number, because the mean of its divisors is an integer number (11570463360).

Almost surely, 2289384829645 is an apocalyptic number.

It is an amenable number.

289384829645 is a deficient number, since it is larger than the sum of its proper divisors (80869997875).

289384829645 is a wasteful number, since it uses less digits than its factorization.

289384829645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26825.

The product of its digits is 238878720, while the sum is 68.

The spelling of 289384829645 in words is "two hundred eighty-nine billion, three hundred eighty-four million, eight hundred twenty-nine thousand, six hundred forty-five".

Divisors: 1 5 23 47 115 235 1081 2179 5405 10895 24571 50117 102413 122855 250585 512065 565133 1154837 2355499 2825665 5774185 11777495 26561251 53540209 132806255 267701045 1231424807 2516389823 6157124035 12581949115 57876965929 289384829645