Base | Representation |
---|---|
bin | 11000001111010011… |
… | …11010100001111010 |
3 | 1020120220212122211202 |
4 | 30013221322201322 |
5 | 203122403030132 |
6 | 5551144454202 |
7 | 640324323506 |
oct | 140751724172 |
9 | 36526778752 |
10 | 13013330042 |
11 | 557875a519 |
12 | 263217a362 |
13 | 12c508b1bb |
14 | 8b6439306 |
15 | 5126d6762 |
hex | 307a7a87a |
13013330042 has 8 divisors (see below), whose sum is σ = 19524496500. Its totient is φ = 6505164544.
The previous prime is 13013330039. The next prime is 13013330089. The reversal of 13013330042 is 24003331031.
It can be written as a sum of positive squares in 2 ways, for example, as 12968426641 + 44903401 = 113879^2 + 6701^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 13013329996 and 13013330023.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739367 + ... + 756762.
Almost surely, 213013330042 is an apocalyptic number.
13013330042 is a deficient number, since it is larger than the sum of its proper divisors (6511166458).
13013330042 is a wasteful number, since it uses less digits than its factorization.
13013330042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1500480.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 13013330042 its reverse (24003331031), we get a palindrome (37016661073).
The spelling of 13013330042 in words is "thirteen billion, thirteen million, three hundred thirty thousand, forty-two".
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