Base | Representation |
---|---|
bin | 100111000010101… |
… | …1010110100011111 |
3 | 10101022002002201210 |
4 | 1032011122310133 |
5 | 10140332342143 |
6 | 333554435503 |
7 | 44315120403 |
oct | 11605326437 |
9 | 3338062653 |
10 | 1310043423 |
11 | 612538017 |
12 | 306892b93 |
13 | 17b543530 |
14 | c5db7103 |
15 | 7a026033 |
hex | 4e15ad1f |
1310043423 has 32 divisors (see below), whose sum is σ = 1949886400. Its totient is φ = 777102336.
The previous prime is 1310043403. The next prime is 1310043431. The reversal of 1310043423 is 3243400131.
It is not a de Polignac number, because 1310043423 - 26 = 1310043359 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1310043423.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1310043403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153123 + ... + 161451.
It is an arithmetic number, because the mean of its divisors is an integer number (60933950).
Almost surely, 21310043423 is an apocalyptic number.
1310043423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1310043423 is a deficient number, since it is larger than the sum of its proper divisors (639842977).
1310043423 is a wasteful number, since it uses less digits than its factorization.
1310043423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8491.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 1310043423 is about 36194.5220026456. The cubic root of 1310043423 is about 1094.1962709907.
Adding to 1310043423 its reverse (3243400131), we get a palindrome (4553443554).
The spelling of 1310043423 in words is "one billion, three hundred ten million, forty-three thousand, four hundred twenty-three".
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