Base | Representation |
---|---|
bin | 100011110001000… |
… | …1000100100000000 |
3 | 10002122020221021112 |
4 | 1013202020210000 |
5 | 4424213132204 |
6 | 315030542452 |
7 | 41511640112 |
oct | 10742104400 |
9 | 3078227245 |
10 | 1200130304 |
11 | 56649572a |
12 | 295b07a28 |
13 | 16183b899 |
14 | b55653b2 |
15 | 7056426e |
hex | 47888900 |
1200130304 has 72 divisors (see below), whose sum is σ = 2458625400. Its totient is φ = 584450048.
The previous prime is 1200130291. The next prime is 1200130313. The reversal of 1200130304 is 4030310021.
It can be written as a sum of positive squares in 4 ways, for example, as 718240000 + 481890304 = 26800^2 + 21952^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2672672 + ... + 2673120.
It is an arithmetic number, because the mean of its divisors is an integer number (34147575).
Almost surely, 21200130304 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 1200130304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1229312700).
1200130304 is an abundant number, since it is smaller than the sum of its proper divisors (1258495096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1200130304 is an equidigital number, since it uses as much as digits as its factorization.
1200130304 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 715 (or 701 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 1200130304 is about 34642.8968765604. The cubic root of 1200130304 is about 1062.6970313078.
Adding to 1200130304 its reverse (4030310021), we get a palindrome (5230440325).
The spelling of 1200130304 in words is "one billion, two hundred million, one hundred thirty thousand, three hundred four".
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