Base | Representation |
---|---|
bin | 111100011001001… |
… | …101100111000001 |
3 | 2121121121001010210 |
4 | 330121031213001 |
5 | 4033342223210 |
6 | 244313144333 |
7 | 34052263125 |
oct | 7431154701 |
9 | 2547531123 |
10 | 1013242305 |
11 | 47aa48a39 |
12 | 2433bb0a9 |
13 | 131bc577a |
14 | 987d7585 |
15 | 5de49e20 |
hex | 3c64d9c1 |
1013242305 has 32 divisors (see below), whose sum is σ = 1645073280. Its totient is φ = 532477440.
The previous prime is 1013242303. The next prime is 1013242327. The reversal of 1013242305 is 5032423101.
1013242305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1013242305 - 21 = 1013242303 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1013242303) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440739 + ... + 443031.
It is an arithmetic number, because the mean of its divisors is an integer number (51408540).
Almost surely, 21013242305 is an apocalyptic number.
1013242305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1013242305 is a deficient number, since it is larger than the sum of its proper divisors (631830975).
1013242305 is a wasteful number, since it uses less digits than its factorization.
1013242305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2721.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 1013242305 is about 31831.4672140635. The cubic root of 1013242305 is about 1004.3947594626.
Adding to 1013242305 its reverse (5032423101), we get a palindrome (6045665406).
The spelling of 1013242305 in words is "one billion, thirteen million, two hundred forty-two thousand, three hundred five".
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