Base | Representation |
---|---|
bin | 11000011011000000… |
… | …00111010010001110 |
3 | 1020211202110100122120 |
4 | 30031200013102032 |
5 | 203323011033032 |
6 | 10005011153410 |
7 | 642625160235 |
oct | 141540072216 |
9 | 36752410576 |
10 | 13111424142 |
11 | 561906a023 |
12 | 265aba5866 |
13 | 130c4b534b |
14 | 8c5491b1c |
15 | 51b11162c |
hex | 30d80748e |
13111424142 has 32 divisors (see below), whose sum is σ = 26365916832. Its totient is φ = 4346694144.
The previous prime is 13111424141. The next prime is 13111424159. The reversal of 13111424142 is 24142411131.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13111424141) 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, 850608 + ... + 865884.
It is an arithmetic number, because the mean of its divisors is an integer number (823934901).
Almost surely, 213111424142 is an apocalyptic number.
13111424142 is an abundant number, since it is smaller than the sum of its proper divisors (13254492690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13111424142 is a wasteful number, since it uses less digits than its factorization.
13111424142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16052.
The product of its digits is 768, while the sum is 24.
Adding to 13111424142 its reverse (24142411131), we get a palindrome (37253835273).
The spelling of 13111424142 in words is "thirteen billion, one hundred eleven million, four hundred twenty-four thousand, one hundred forty-two".
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