Base | Representation |
---|---|
bin | 11000011101010101… |
… | …11000100000100111 |
3 | 1020220010100011011220 |
4 | 30032222320200213 |
5 | 203343020240143 |
6 | 10010551231423 |
7 | 643253603016 |
oct | 141652704047 |
9 | 36803304156 |
10 | 13131024423 |
11 | 5629137000 |
12 | 2665678573 |
13 | 131358884a |
14 | 8c7d14a7d |
15 | 51cbd3d83 |
hex | 30eab8827 |
13131024423 has 64 divisors (see below), whose sum is σ = 20349272064. Its totient is φ = 7519327200.
The previous prime is 13131024407. The next prime is 13131024427. The reversal of 13131024423 is 32442013131.
It is a happy number.
It is not a de Polignac number, because 13131024423 - 24 = 13131024407 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13131024393 and 13131024402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13131024427) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5321436 + ... + 5323902.
It is an arithmetic number, because the mean of its divisors is an integer number (317957376).
Almost surely, 213131024423 is an apocalyptic number.
13131024423 is a deficient number, since it is larger than the sum of its proper divisors (7218247641).
13131024423 is a wasteful number, since it uses less digits than its factorization.
13131024423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2577 (or 2555 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 13131024423 its reverse (32442013131), we get a palindrome (45573037554).
The spelling of 13131024423 in words is "thirteen billion, one hundred thirty-one million, twenty-four thousand, four hundred twenty-three".
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