Base | Representation |
---|---|
bin | 111100011001001… |
… | …010110011100001 |
3 | 2121121120110101022 |
4 | 330121022303201 |
5 | 4033341341232 |
6 | 244313015225 |
7 | 34052214464 |
oct | 7431126341 |
9 | 2547513338 |
10 | 1013230817 |
11 | 47aa40345 |
12 | 2433b4515 |
13 | 131bc0481 |
14 | 987d32db |
15 | 5de46812 |
hex | 3c64ace1 |
1013230817 has 4 divisors (see below), whose sum is σ = 1013295636. Its totient is φ = 1013166000.
The previous prime is 1013230807. The next prime is 1013230819. The reversal of 1013230817 is 7180323101.
1013230817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7180323101 = 7 ⋅1025760443.
It can be written as a sum of positive squares in 2 ways, for example, as 716151121 + 297079696 = 26761^2 + 17236^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1013230817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1013230819) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7067 + ... + 45567.
It is an arithmetic number, because the mean of its divisors is an integer number (253323909).
Almost surely, 21013230817 is an apocalyptic number.
It is an amenable number.
1013230817 is a deficient number, since it is larger than the sum of its proper divisors (64819).
1013230817 is an equidigital number, since it uses as much as digits as its factorization.
1013230817 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64818.
The product of its (nonzero) digits is 1008, while the sum is 26.
The square root of 1013230817 is about 31831.2867631832. The cubic root of 1013230817 is about 1004.3909635523.
Adding to 1013230817 its reverse (7180323101), we get a palindrome (8193553918).
The spelling of 1013230817 in words is "one billion, thirteen million, two hundred thirty thousand, eight hundred seventeen".
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