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3085689618 = 23211171575839
BaseRepresentation
bin1011011111101011…
…1110001100010010
321222001021021101200
42313322332030102
522304414031433
61230105012030
7136315633434
oct26772761422
97861237350
103085689618
111343878310
12721484016
133a238755b
14213b50654
15130d6d613
hexb7ebe312

3085689618 has 96 divisors (see below), whose sum is σ = 7772993280. Its totient is φ = 874298880.

The previous prime is 3085689587. The next prime is 3085689619. The reversal of 3085689618 is 8169865803.

It is not an unprimeable number, because it can be changed into a prime (3085689619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 525543 + ... + 531381.

It is an arithmetic number, because the mean of its divisors is an integer number (80968680).

Almost surely, 23085689618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3085689618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3886496640).

3085689618 is an abundant number, since it is smaller than the sum of its proper divisors (4687303662).

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

3085689618 is a wasteful number, since it uses less digits than its factorization.

3085689618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6032 (or 6029 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The square root of 3085689618 is about 55548.9839511039. The cubic root of 3085689618 is about 1455.8526224580.

The spelling of 3085689618 in words is "three billion, eighty-five million, six hundred eighty-nine thousand, six hundred eighteen".

Divisors: 1 2 3 6 9 11 17 18 22 33 34 51 66 99 102 153 157 187 198 306 314 374 471 561 942 1122 1413 1683 1727 2669 2826 3366 3454 5181 5338 5839 8007 10362 11678 15543 16014 17517 24021 29359 31086 35034 48042 52551 58718 64229 88077 99263 105102 128458 176154 192687 198526 264231 297789 385374 528462 578061 595578 893367 916723 1091893 1156122 1786734 1833446 2183786 2750169 3275679 5500338 6551358 8250507 9827037 10083953 15584291 16501014 19654074 20167906 30251859 31168582 46752873 60503718 90755577 93505746 140258619 171427201 181511154 280517238 342854402 514281603 1028563206 1542844809 3085689618