Base | Representation |
---|---|
bin | 11000010000011110… |
… | …01111001111110111 |
3 | 1020121121021202020010 |
4 | 30020033033033313 |
5 | 203132404123411 |
6 | 5552134311303 |
7 | 640503434031 |
oct | 141017171767 |
9 | 36547252203 |
10 | 13023114231 |
11 | 5583232526 |
12 | 26354b8533 |
13 | 12c710576a |
14 | 8b7864c51 |
15 | 5134ba7a6 |
hex | 3083cf3f7 |
13023114231 has 12 divisors (see below), whose sum is σ = 18445657832. Its totient is φ = 8171365248.
The previous prime is 13023114227. The next prime is 13023114259. The reversal of 13023114231 is 13241132031.
It is not a de Polignac number, because 13023114231 - 22 = 13023114227 is a prime.
It is a super-2 number, since 2×130231142312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13023114198 and 13023114207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13023114271) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7509580 + ... + 7511313.
Almost surely, 213023114231 is an apocalyptic number.
13023114231 is a deficient number, since it is larger than the sum of its proper divisors (5422543601).
13023114231 is a wasteful number, since it uses less digits than its factorization.
13023114231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15020930 (or 15020913 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 13023114231 its reverse (13241132031), we get a palindrome (26264246262).
The spelling of 13023114231 in words is "thirteen billion, twenty-three million, one hundred fourteen thousand, two hundred thirty-one".
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