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12050145413105 = 52410029082621
BaseRepresentation
bin1010111101011010010010…
…1000110000011111110001
31120122222112100112000200212
42233112210220300133301
53034412144211204410
641343432124153505
72352410560002122
oct257264450603761
946588470460625
1012050145413105
11392648aa36978
121427495398895
13695429613767
142d9331762049
1515d6ba43ab05
hexaf5a4a307f1

12050145413105 has 4 divisors (see below), whose sum is σ = 14460174495732. Its totient is φ = 9640116330480.

The previous prime is 12050145413087. The next prime is 12050145413107. The reversal of 12050145413105 is 50131454105021.

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 1746327891169 + 10303817521936 = 1321487^2 + 3209956^2 .

It is not a de Polignac number, because 12050145413105 - 220 = 12050144364529 is a prime.

It is a super-2 number, since 2×120501454131052 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12050145413107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205014541306 + ... + 1205014541315.

It is an arithmetic number, because the mean of its divisors is an integer number (3615043623933).

Almost surely, 212050145413105 is an apocalyptic number.

It is an amenable number.

12050145413105 is a deficient number, since it is larger than the sum of its proper divisors (2410029082627).

12050145413105 is an equidigital number, since it uses as much as digits as its factorization.

12050145413105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410029082626.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 12050145413105 its reverse (50131454105021), we get a palindrome (62181599518126).

The spelling of 12050145413105 in words is "twelve trillion, fifty billion, one hundred forty-five million, four hundred thirteen thousand, one hundred five".

Divisors: 1 5 2410029082621 12050145413105