Base | Representation |
---|---|
bin | 1100101001000111… |
… | …11101000001110000 |
3 | 122112000201200020000 |
4 | 12110203331001300 |
5 | 102400034422042 |
6 | 3041301550000 |
7 | 330125056203 |
oct | 62443750160 |
9 | 18460650200 |
10 | 6787420272 |
11 | 297335a346 |
12 | 1395115300 |
13 | 842265b19 |
14 | 48562193a |
15 | 29ad2774c |
hex | 1948fd070 |
6787420272 has 200 divisors, whose sum is σ = 20903572800. Its totient is φ = 2118832128.
The previous prime is 6787420229. The next prime is 6787420273. The reversal of 6787420272 is 2720247876.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6787420273) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5265004 + ... + 5266292.
It is an arithmetic number, because the mean of its divisors is an integer number (104517864).
Almost surely, 26787420272 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 6787420272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10451786400).
6787420272 is an abundant number, since it is smaller than the sum of its proper divisors (14116152528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6787420272 is a wasteful number, since it uses less digits than its factorization.
6787420272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1565 (or 1550 counting only the distinct ones).
The product of its (nonzero) digits is 526848, while the sum is 45.
The square root of 6787420272 is about 82385.8013980564. The cubic root of 6787420272 is about 1893.3674809795.
The spelling of 6787420272 in words is "six billion, seven hundred eighty-seven million, four hundred twenty thousand, two hundred seventy-two".
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