Base | Representation |
---|---|
bin | 10001101001111000010… |
… | …111001101111111011100 |
3 | 11021222111000002012012121 |
4 | 101221320113031333130 |
5 | 124334113213130022 |
6 | 2325200401112324 |
7 | 153436141646053 |
oct | 21517027157734 |
9 | 4258430065177 |
10 | 1213200130012 |
11 | 428573933152 |
12 | 1771623286a4 |
13 | 8a53428ac20 |
14 | 42a0d6ab39a |
15 | 218589c02c7 |
hex | 11a785cdfdc |
1213200130012 has 24 divisors (see below), whose sum is σ = 2325168442800. Its totient is φ = 550448036736.
The previous prime is 1213200130007. The next prime is 1213200130057. The reversal of 1213200130012 is 2100310023121.
It is a super-2 number, since 2×12132001300122 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
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, 197715337 + ... + 197721472.
It is an arithmetic number, because the mean of its divisors is an integer number (96882018450).
Almost surely, 21213200130012 is an apocalyptic number.
It is an amenable number.
1213200130012 is a deficient number, since it is larger than the sum of its proper divisors (1111968312788).
1213200130012 is a wasteful number, since it uses less digits than its factorization.
1213200130012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 395436885 (or 395436883 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 1213200130012 its reverse (2100310023121), we get a palindrome (3313510153133).
The spelling of 1213200130012 in words is "one trillion, two hundred thirteen billion, two hundred million, one hundred thirty thousand, twelve".
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