Base | Representation |
---|---|
bin | 111100111111010… |
… | …010011000010001 |
3 | 2122022101010111202 |
4 | 330333102120101 |
5 | 4043421121223 |
6 | 245311120545 |
7 | 34233153230 |
oct | 7477223021 |
9 | 2568333452 |
10 | 1023223313 |
11 | 485645902 |
12 | 246813155 |
13 | 133cab7a8 |
14 | 99c74b17 |
15 | 5ec6c428 |
hex | 3cfd2611 |
1023223313 has 16 divisors (see below), whose sum is σ = 1198027776. Its totient is φ = 855625680.
The previous prime is 1023223309. The next prime is 1023223339. The reversal of 1023223313 is 3133223201.
It is not a de Polignac number, because 1023223313 - 22 = 1023223309 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1023223343) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351020 + ... + 353922.
It is an arithmetic number, because the mean of its divisors is an integer number (74876736).
Almost surely, 21023223313 is an apocalyptic number.
It is an amenable number.
1023223313 is a deficient number, since it is larger than the sum of its proper divisors (174804463).
1023223313 is a wasteful number, since it uses less digits than its factorization.
1023223313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4124.
The product of its (nonzero) digits is 648, while the sum is 20.
The square root of 1023223313 is about 31987.8619635636. The cubic root of 1023223313 is about 1007.6819410063.
Adding to 1023223313 its reverse (3133223201), we get a palindrome (4156446514).
The spelling of 1023223313 in words is "one billion, twenty-three million, two hundred twenty-three thousand, three hundred thirteen".
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