Base | Representation |
---|---|
bin | 10110100000001000… |
… | …11001101101010001 |
3 | 1011011221001122200201 |
4 | 23100010121231101 |
5 | 144220132440033 |
6 | 5314432215201 |
7 | 605241450466 |
oct | 132004315521 |
9 | 34157048621 |
10 | 12080749393 |
11 | 513a2a4909 |
12 | 241199a501 |
13 | 11a6ac802b |
14 | 82863b66d |
15 | 4aa8c147d |
hex | 2d0119b51 |
12080749393 has 4 divisors (see below), whose sum is σ = 12081013348. Its totient is φ = 12080485440.
The previous prime is 12080749363. The next prime is 12080749403. The reversal of 12080749393 is 39394708021.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8488305424 + 3592443969 = 92132^2 + 59937^2 .
It is a cyclic number.
It is not a de Polignac number, because 12080749393 - 25 = 12080749361 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12080749363) 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, 43596 + ... + 161437.
It is an arithmetic number, because the mean of its divisors is an integer number (3020253337).
Almost surely, 212080749393 is an apocalyptic number.
It is an amenable number.
12080749393 is a deficient number, since it is larger than the sum of its proper divisors (263955).
12080749393 is an equidigital number, since it uses as much as digits as its factorization.
12080749393 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263954.
The product of its (nonzero) digits is 326592, while the sum is 46.
The spelling of 12080749393 in words is "twelve billion, eighty million, seven hundred forty-nine thousand, three hundred ninety-three".
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