Base | Representation |
---|---|
bin | 11000010010100010… |
… | …01011111111111000 |
3 | 1020122210211002011120 |
4 | 30021101023333320 |
5 | 203201320334144 |
6 | 5553553025240 |
7 | 641103406650 |
oct | 141121137770 |
9 | 36583732146 |
10 | 13040402424 |
11 | 5591a70395 |
12 | 263b255220 |
13 | 12ca87976a |
14 | 8b9c85360 |
15 | 514c82e19 |
hex | 30944bff8 |
13040402424 has 64 divisors (see below), whose sum is σ = 37814419200. Its totient is φ = 3670216704.
The previous prime is 13040402423. The next prime is 13040402503. The reversal of 13040402424 is 42420404031.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 13040402394 and 13040402403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13040402423) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568009 + ... + 590520.
It is an arithmetic number, because the mean of its divisors is an integer number (590850300).
Almost surely, 213040402424 is an apocalyptic number.
13040402424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
13040402424 is an abundant number, since it is smaller than the sum of its proper divisors (24774016776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13040402424 is a wasteful number, since it uses less digits than its factorization.
13040402424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1158612 (or 1158608 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 24.
Adding to 13040402424 its reverse (42420404031), we get a palindrome (55460806455).
The spelling of 13040402424 in words is "thirteen billion, forty million, four hundred two thousand, four hundred twenty-four".
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