Base | Representation |
---|---|
bin | 10110011111001111… |
… | …00110101011011001 |
3 | 1011011101212010100100 |
4 | 23033213212223121 |
5 | 144211214402340 |
6 | 5314002330013 |
7 | 605120336553 |
oct | 131747465331 |
9 | 34141763310 |
10 | 12073200345 |
11 | 5136009128 |
12 | 240b359909 |
13 | 11a5383c3b |
14 | 8276344d3 |
15 | 4a9dce830 |
hex | 2cf9e6ad9 |
12073200345 has 12 divisors (see below), whose sum is σ = 20926880676. Its totient is φ = 6439040160.
The previous prime is 12073200331. The next prime is 12073200367. The reversal of 12073200345 is 54300237021.
It can be written as a sum of positive squares in 2 ways, for example, as 8747486784 + 3325713561 = 93528^2 + 57669^2 .
It is not a de Polignac number, because 12073200345 - 214 = 12073183961 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134146626 + ... + 134146715.
It is an arithmetic number, because the mean of its divisors is an integer number (1743906723).
Almost surely, 212073200345 is an apocalyptic number.
12073200345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12073200345 is a deficient number, since it is larger than the sum of its proper divisors (8853680331).
12073200345 is a wasteful number, since it uses less digits than its factorization.
12073200345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 268293352 (or 268293349 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
Adding to 12073200345 its reverse (54300237021), we get a palindrome (66373437366).
The spelling of 12073200345 in words is "twelve billion, seventy-three million, two hundred thousand, three hundred forty-five".
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