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12108062243 = 31569686437
BaseRepresentation
bin10110100011011001…
…00101111000100011
31011020211110021212202
423101230211320203
5144244130442433
65321245443415
7606022555004
oct132154457043
934224407782
1012108062243
11515375a412
12241ab7056b
1311ac66bb94
1482c10b1ab
154aceb8ee8
hex2d1b25e23

12108062243 has 8 divisors (see below), whose sum is σ = 12520629120. Its totient is φ = 11696869440.

The previous prime is 12108062237. The next prime is 12108062261. The reversal of 12108062243 is 34226080121.

It is a happy number.

12108062243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12108062243 - 210 = 12108061219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12108062233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325580 + ... + 360857.

It is an arithmetic number, because the mean of its divisors is an integer number (1565078640).

Almost surely, 212108062243 is an apocalyptic number.

12108062243 is a deficient number, since it is larger than the sum of its proper divisors (412566877).

12108062243 is an equidigital number, since it uses as much as digits as its factorization.

12108062243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687037.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 12108062243 in words is "twelve billion, one hundred eight million, sixty-two thousand, two hundred forty-three".

Divisors: 1 31 569 17639 686437 21279547 390582653 12108062243