Base | Representation |
---|---|
bin | 100011110001011… |
… | …0101001110001110 |
3 | 10002122121020012120 |
4 | 1013202311032032 |
5 | 4424240010410 |
6 | 315034513410 |
7 | 41513331324 |
oct | 10742651616 |
9 | 3078536176 |
10 | 1200313230 |
11 | 566600106 |
12 | 295b95866 |
13 | 1618a3c1c |
14 | b55b1d14 |
15 | 7059d570 |
hex | 478b538e |
1200313230 has 16 divisors (see below), whose sum is σ = 2880751824. Its totient is φ = 320083520.
The previous prime is 1200313193. The next prime is 1200313321. The reversal of 1200313230 is 323130021.
1200313230 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×12003132302 = 2881503700226065800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is a congruent number.
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, 20005191 + ... + 20005250.
It is an arithmetic number, because the mean of its divisors is an integer number (180046989).
Almost surely, 21200313230 is an apocalyptic number.
1200313230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1200313230 is an abundant number, since it is smaller than the sum of its proper divisors (1680438594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1200313230 is a wasteful number, since it uses less digits than its factorization.
1200313230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40010451.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 1200313230 is about 34645.5369420074. The cubic root of 1200313230 is about 1062.7510212900.
Adding to 1200313230 its reverse (323130021), we get a palindrome (1523443251).
The spelling of 1200313230 in words is "one billion, two hundred million, three hundred thirteen thousand, two hundred thirty".
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