Base | Representation |
---|---|
bin | 111110101110100… |
… | …0000001000000000 |
3 | 12102200110121122100 |
4 | 1331131000020000 |
5 | 13302304122223 |
6 | 544504110400 |
7 | 103105056021 |
oct | 17535001000 |
9 | 5380417570 |
10 | 2104754688 |
11 | 990096393 |
12 | 4a8a65400 |
13 | 27709409a |
14 | 15d766c48 |
15 | c4ba6043 |
hex | 7d740200 |
2104754688 has 120 divisors (see below), whose sum is σ = 6158660508. Its totient is φ = 691863552.
The previous prime is 2104754651. The next prime is 2104754689. The reversal of 2104754688 is 8864574012.
2104754688 is a `hidden beast` number, since 21 + 0 + 4 + 7 + 546 + 88 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 1820899584 + 283855104 = 42672^2 + 16848^2 .
It is not an unprimeable number, because it can be changed into a prime (2104754689) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333256 + ... + 339512.
Almost surely, 22104754688 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 2104754688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3079330254).
2104754688 is an abundant number, since it is smaller than the sum of its proper divisors (4053905820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2104754688 is an equidigital number, since it uses as much as digits as its factorization.
2104754688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6354 (or 6335 counting only the distinct ones).
The product of its (nonzero) digits is 430080, while the sum is 45.
The square root of 2104754688 is about 45877.6055172892. The cubic root of 2104754688 is about 1281.5449054481.
The spelling of 2104754688 in words is "two billion, one hundred four million, seven hundred fifty-four thousand, six hundred eighty-eight".
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