Base | Representation |
---|---|
bin | 11000010010110001… |
… | …00010101100111111 |
3 | 1020122221110000220020 |
4 | 30021120202230333 |
5 | 203202314033211 |
6 | 5554102223223 |
7 | 641125656654 |
oct | 141130425477 |
9 | 36587400806 |
10 | 13042330431 |
11 | 5593067989 |
12 | 263ba24b13 |
13 | 12cb0a31b0 |
14 | 8ba227c2b |
15 | 515014306 |
hex | 309622b3f |
13042330431 has 32 divisors (see below), whose sum is σ = 18950500800. Its totient is φ = 7931019264.
The previous prime is 13042330409. The next prime is 13042330439. The reversal of 13042330431 is 13403324031.
13042330431 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 13042330431 - 29 = 13042329919 is a prime.
It is a super-2 number, since 2×130423304312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13042330439) 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, 1139071 + ... + 1150463.
It is an arithmetic number, because the mean of its divisors is an integer number (592203150).
Almost surely, 213042330431 is an apocalyptic number.
13042330431 is a deficient number, since it is larger than the sum of its proper divisors (5908170369).
13042330431 is a wasteful number, since it uses less digits than its factorization.
13042330431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11755.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 13042330431 its reverse (13403324031), we get a palindrome (26445654462).
The spelling of 13042330431 in words is "thirteen billion, forty-two million, three hundred thirty thousand, four hundred thirty-one".
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