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12114165605 = 52422833121
BaseRepresentation
bin10110100100000111…
…10111111101100101
31011021020221101010012
423102003313331211
5144302211244410
65322024340005
7606125465033
oct132203677545
934236841105
1012114165605
115157148a13
122421014605
1311b09c7c39
1482cc59553
154ad7c2605
hex2d20f7f65

12114165605 has 4 divisors (see below), whose sum is σ = 14536998732. Its totient is φ = 9691332480.

The previous prime is 12114165599. The next prime is 12114165631. The reversal of 12114165605 is 50656141121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50656141121 = 432911170131.

It can be written as a sum of positive squares in 2 ways, for example, as 8419714081 + 3694451524 = 91759^2 + 60782^2 .

It is not a de Polignac number, because 12114165605 - 24 = 12114165589 is a prime.

It is a super-3 number, since 3×121141656053 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211416556 + ... + 1211416565.

It is an arithmetic number, because the mean of its divisors is an integer number (3634249683).

Almost surely, 212114165605 is an apocalyptic number.

It is an amenable number.

12114165605 is a deficient number, since it is larger than the sum of its proper divisors (2422833127).

12114165605 is an equidigital number, since it uses as much as digits as its factorization.

12114165605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422833126.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 12114165605 in words is "twelve billion, one hundred fourteen million, one hundred sixty-five thousand, six hundred five".

Divisors: 1 5 2422833121 12114165605