Base | Representation |
---|---|
bin | 10110101110100010… |
… | …01001001111101001 |
3 | 1011111100022222000022 |
4 | 23113101021033221 |
5 | 144442042432340 |
6 | 5334425050225 |
7 | 611236203524 |
oct | 132721111751 |
9 | 34440288008 |
10 | 12201530345 |
11 | 51a149a384 |
12 | 2446326975 |
13 | 11c5b36554 |
14 | 83a6bbbbb |
15 | 4b62cd3b5 |
hex | 2d74493e9 |
12201530345 has 16 divisors (see below), whose sum is σ = 14748955200. Its totient is φ = 9690062784.
The previous prime is 12201530239. The next prime is 12201530351. The reversal of 12201530345 is 54303510221.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 12201530345 - 218 = 12201268201 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380714 + ... + 411516.
It is an arithmetic number, because the mean of its divisors is an integer number (921809700).
Almost surely, 212201530345 is an apocalyptic number.
It is an amenable number.
12201530345 is a deficient number, since it is larger than the sum of its proper divisors (2547424855).
12201530345 is a wasteful number, since it uses less digits than its factorization.
12201530345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31384.
The product of its (nonzero) digits is 3600, while the sum is 26.
The spelling of 12201530345 in words is "twelve billion, two hundred one million, five hundred thirty thousand, three hundred forty-five".
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