Base | Representation |
---|---|
bin | 10110011111111101… |
… | …01001101011011001 |
3 | 1011011211020001212022 |
4 | 23033332221223121 |
5 | 144214241220240 |
6 | 5314340024225 |
7 | 605222601551 |
oct | 131776515331 |
9 | 34154201768 |
10 | 12079241945 |
11 | 5139465291 |
12 | 2411392075 |
13 | 11a66bab54 |
14 | 828368161 |
15 | 4aa6c49b5 |
hex | 2cffa9ad9 |
12079241945 has 4 divisors (see below), whose sum is σ = 14495090340. Its totient is φ = 9663393552.
The previous prime is 12079241921. The next prime is 12079241947. The reversal of 12079241945 is 54914297021.
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 6495715216 + 5583526729 = 80596^2 + 74723^2 .
It is a cyclic number.
It is not a de Polignac number, because 12079241945 - 222 = 12075047641 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12079241896 and 12079241905.
It is not an unprimeable number, because it can be changed into a prime (12079241947) 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, 1207924190 + ... + 1207924199.
It is an arithmetic number, because the mean of its divisors is an integer number (3623772585).
Almost surely, 212079241945 is an apocalyptic number.
It is an amenable number.
12079241945 is a deficient number, since it is larger than the sum of its proper divisors (2415848395).
12079241945 is an equidigital number, since it uses as much as digits as its factorization.
12079241945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2415848394.
The product of its (nonzero) digits is 181440, while the sum is 44.
The spelling of 12079241945 in words is "twelve billion, seventy-nine million, two hundred forty-one thousand, nine hundred forty-five".
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