Base | Representation |
---|---|
bin | 11000010000001110… |
… | …10010011110101000 |
3 | 1020121110100212121221 |
4 | 30020013102132220 |
5 | 203131340432222 |
6 | 5552021511424 |
7 | 640446634333 |
oct | 141007223650 |
9 | 36543325557 |
10 | 13021030312 |
11 | 5582039884 |
12 | 2634872574 |
13 | 12c6856084 |
14 | 8b748161a |
15 | 5132080c7 |
hex | 3081d27a8 |
13021030312 has 32 divisors (see below), whose sum is σ = 24796404000. Its totient is φ = 6408794304.
The previous prime is 13021030307. The next prime is 13021030327. The reversal of 13021030312 is 21303012031.
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, 822423 + ... + 838105.
It is an arithmetic number, because the mean of its divisors is an integer number (774887625).
Almost surely, 213021030312 is an apocalyptic number.
It is an amenable number.
13021030312 is a deficient number, since it is larger than the sum of its proper divisors (11775373688).
13021030312 is a wasteful number, since it uses less digits than its factorization.
13021030312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17305 (or 17301 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 13021030312 its reverse (21303012031), we get a palindrome (34324042343).
The spelling of 13021030312 in words is "thirteen billion, twenty-one million, thirty thousand, three hundred twelve".
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