Base | Representation |
---|---|
bin | 1011011111101011… |
… | …1110001100010010 |
3 | 21222001021021101200 |
4 | 2313322332030102 |
5 | 22304414031433 |
6 | 1230105012030 |
7 | 136315633434 |
oct | 26772761422 |
9 | 7861237350 |
10 | 3085689618 |
11 | 1343878310 |
12 | 721484016 |
13 | 3a238755b |
14 | 213b50654 |
15 | 130d6d613 |
hex | b7ebe312 |
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".
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