Base | Representation |
---|---|
bin | 11000010000001111… |
… | …01000011000001100 |
3 | 1020121110112102200011 |
4 | 30020013220120030 |
5 | 203131401320022 |
6 | 5552023443004 |
7 | 640450460005 |
oct | 141007503014 |
9 | 36543472604 |
10 | 13021120012 |
11 | 55820a020a |
12 | 26348b6464 |
13 | 12c6887b54 |
14 | 8b74a61ac |
15 | 513224977 |
hex | 3081e860c |
13021120012 has 24 divisors (see below), whose sum is σ = 24418071216. Its totient is φ = 6053756928.
The previous prime is 13021120003. The next prime is 13021120039. The reversal of 13021120012 is 21002112031.
It is a junction number, because it is equal to n+sod(n) for n = 13021119974 and 13021120001.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147893 + ... + 1159180.
It is an arithmetic number, because the mean of its divisors is an integer number (1017419634).
Almost surely, 213021120012 is an apocalyptic number.
It is an amenable number.
13021120012 is a deficient number, since it is larger than the sum of its proper divisors (11396951204).
13021120012 is a wasteful number, since it uses less digits than its factorization.
13021120012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2307177 (or 2307175 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 13021120012 its reverse (21002112031), we get a palindrome (34023232043).
The spelling of 13021120012 in words is "thirteen billion, twenty-one million, one hundred twenty thousand, twelve".
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