Base | Representation |
---|---|
bin | 11000111111110101… |
… | …11111110001010110 |
3 | 1021122021222001201101 |
4 | 30133322333301112 |
5 | 204441114224032 |
6 | 10055411020314 |
7 | 653400015604 |
oct | 143772776126 |
9 | 37567861641 |
10 | 13420461142 |
11 | 5767556100 |
12 | 272659a69a |
13 | 135b52858a |
14 | 914538874 |
15 | 538307de7 |
hex | 31febfc56 |
13420461142 has 24 divisors (see below), whose sum is σ = 22725169488. Its totient is φ = 5935335120.
The previous prime is 13420461133. The next prime is 13420461143. The reversal of 13420461142 is 24116402431.
It is a self number, because there is not a number n which added to its sum of digits gives 13420461142.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13420461143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 740458 + ... + 758365.
It is an arithmetic number, because the mean of its divisors is an integer number (946882062).
Almost surely, 213420461142 is an apocalyptic number.
13420461142 is a deficient number, since it is larger than the sum of its proper divisors (9304708346).
13420461142 is a wasteful number, since it uses less digits than its factorization.
13420461142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1498884 (or 1498873 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 28.
Adding to 13420461142 its reverse (24116402431), we get a palindrome (37536863573).
The spelling of 13420461142 in words is "thirteen billion, four hundred twenty million, four hundred sixty-one thousand, one hundred forty-two".
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