Base | Representation |
---|---|
bin | 1101000001000001… |
… | …01011001111110100 |
3 | 200000222221110201000 |
4 | 12200200223033310 |
5 | 103302344400404 |
6 | 3113222403300 |
7 | 335111031105 |
oct | 64040531764 |
9 | 20028843630 |
10 | 6987887604 |
11 | 2a66531425 |
12 | 1430290530 |
13 | 874954a49 |
14 | 4a40c63ac |
15 | 2ad725339 |
hex | 1a082b3f4 |
6987887604 has 96 divisors (see below), whose sum is σ = 19232760960. Its totient is φ = 2186528256.
The previous prime is 6987887563. The next prime is 6987887617. The reversal of 6987887604 is 4067887896.
It is a super-2 number, since 2×69878876042 = 97661146332273721632, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 724099 + ... + 733685.
It is an arithmetic number, because the mean of its divisors is an integer number (200341260).
Almost surely, 26987887604 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6987887604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9616380480).
6987887604 is an abundant number, since it is smaller than the sum of its proper divisors (12244873356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6987887604 is a wasteful number, since it uses less digits than its factorization.
6987887604 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10014 (or 10006 counting only the distinct ones).
The product of its (nonzero) digits is 32514048, while the sum is 63.
The square root of 6987887604 is about 83593.5859022688. The cubic root of 6987887604 is about 1911.8272038685.
The spelling of 6987887604 in words is "six billion, nine hundred eighty-seven million, eight hundred eighty-seven thousand, six hundred four".
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