Base | Representation |
---|---|
bin | 10110101111101010… |
… | …00000001110100001 |
3 | 1011112000000112201122 |
4 | 23113311000032201 |
5 | 200001444234333 |
6 | 5335402342025 |
7 | 611412124511 |
oct | 132765001641 |
9 | 34460015648 |
10 | 12210930593 |
11 | 51a682a984 |
12 | 24494ba915 |
13 | 11c7a78124 |
14 | 83ba47841 |
15 | 4b7038798 |
hex | 2d7d403a1 |
12210930593 has 4 divisors (see below), whose sum is σ = 12211159188. Its totient is φ = 12210702000.
The previous prime is 12210930569. The next prime is 12210930607. The reversal of 12210930593 is 39503901221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39503901221 = 11087 ⋅3563083.
It can be written as a sum of positive squares in 2 ways, for example, as 2080910689 + 10130019904 = 45617^2 + 100648^2 .
It is a cyclic number.
It is not a de Polignac number, because 12210930593 - 220 = 12209882017 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12210930503) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13343 + ... + 156843.
It is an arithmetic number, because the mean of its divisors is an integer number (3052789797).
Almost surely, 212210930593 is an apocalyptic number.
It is an amenable number.
12210930593 is a deficient number, since it is larger than the sum of its proper divisors (228595).
12210930593 is an equidigital number, since it uses as much as digits as its factorization.
12210930593 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 228594.
The product of its (nonzero) digits is 14580, while the sum is 35.
The spelling of 12210930593 in words is "twelve billion, two hundred ten million, nine hundred thirty thousand, five hundred ninety-three".
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