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12079241945 = 52415848389
BaseRepresentation
bin10110011111111101…
…01001101011011001
31011011211020001212022
423033332221223121
5144214241220240
65314340024225
7605222601551
oct131776515331
934154201768
1012079241945
115139465291
122411392075
1311a66bab54
14828368161
154aa6c49b5
hex2cffa9ad9

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".

Divisors: 1 5 2415848389 12079241945