Base | Representation |
---|---|
bin | 1001000111011101011… |
… | …11010000101110100101 |
3 | 1002221112102222202000020 |
4 | 10203232233100232211 |
5 | 20113010202341010 |
6 | 355522444505353 |
7 | 31426311445650 |
oct | 4435657205645 |
9 | 1087472882006 |
10 | 313243012005 |
11 | 110933572220 |
12 | 5086054b259 |
13 | 237006673a1 |
14 | 11237c88897 |
15 | 8235114470 |
hex | 48eebd0ba5 |
313243012005 has 32 divisors (see below), whose sum is σ = 624858789888. Its totient is φ = 130178913600.
The previous prime is 313243011979. The next prime is 313243012007. The reversal of 313243012005 is 500210342313.
It is not a de Polignac number, because 313243012005 - 28 = 313243011749 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313243012007) 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, 135601881 + ... + 135604190.
It is an arithmetic number, because the mean of its divisors is an integer number (19526837184).
Almost surely, 2313243012005 is an apocalyptic number.
313243012005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
313243012005 is a deficient number, since it is larger than the sum of its proper divisors (311615777883).
313243012005 is a wasteful number, since it uses less digits than its factorization.
313243012005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 271206097.
The product of its (nonzero) digits is 2160, while the sum is 24.
Adding to 313243012005 its reverse (500210342313), we get a palindrome (813453354318).
The spelling of 313243012005 in words is "three hundred thirteen billion, two hundred forty-three million, twelve thousand, five".
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