Base | Representation |
---|---|
bin | 11000001111000010… |
… | …00111100101100111 |
3 | 1020120202112111212100 |
4 | 30013201013211213 |
5 | 203121310233411 |
6 | 5551023223143 |
7 | 640265611152 |
oct | 140741074547 |
9 | 36522474770 |
10 | 13011024231 |
11 | 5577425097 |
12 | 2631447ab3 |
13 | 12c476180a |
14 | 8b5dd8c99 |
15 | 5123cd456 |
hex | 307847967 |
13011024231 has 24 divisors (see below), whose sum is σ = 19789328000. Its totient is φ = 8214795792.
The previous prime is 13011024227. The next prime is 13011024277. The reversal of 13011024231 is 13242011031.
13011024231 is a `hidden beast` number, since 130 + 110 + 2 + 423 + 1 = 666.
13011024231 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 13011024231 - 22 = 13011024227 is a prime.
It is a super-2 number, since 2×130110242312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13011025231) 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 23 ways as a sum of consecutive naturals, for example, 597900 + ... + 619278.
Almost surely, 213011024231 is an apocalyptic number.
13011024231 is a deficient number, since it is larger than the sum of its proper divisors (6778303769).
13011024231 is a wasteful number, since it uses less digits than its factorization.
13011024231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24963 (or 24960 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 13011024231 its reverse (13242011031), we get a palindrome (26253035262).
The spelling of 13011024231 in words is "thirteen billion, eleven million, twenty-four thousand, two hundred thirty-one".
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