Base | Representation |
---|---|
bin | 11000111101100100… |
… | …11001100000000010 |
3 | 1021120222011011220221 |
4 | 30132302121200002 |
5 | 204421231230033 |
6 | 10053451053254 |
7 | 653046163354 |
oct | 143662314002 |
9 | 37528134827 |
10 | 13401430018 |
11 | 57578377a9 |
12 | 272014122a |
13 | 13575c4162 |
14 | 911bc30d4 |
15 | 5367e912d |
hex | 31ec99802 |
13401430018 has 16 divisors (see below), whose sum is σ = 21162546720. Its totient is φ = 6347327616.
The previous prime is 13401429883. The next prime is 13401430019. The reversal of 13401430018 is 81003410431.
It is a junction number, because it is equal to n+sod(n) for n = 13401429974 and 13401430001.
It is not an unprimeable number, because it can be changed into a prime (13401430019) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488905 + ... + 515587.
It is an arithmetic number, because the mean of its divisors is an integer number (1322659170).
Almost surely, 213401430018 is an apocalyptic number.
13401430018 is a deficient number, since it is larger than the sum of its proper divisors (7761116702).
13401430018 is a wasteful number, since it uses less digits than its factorization.
13401430018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39921.
The product of its (nonzero) digits is 1152, while the sum is 25.
Adding to 13401430018 its reverse (81003410431), we get a palindrome (94404840449).
The spelling of 13401430018 in words is "thirteen billion, four hundred one million, four hundred thirty thousand, eighteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •