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12355014205 = 52471002841
BaseRepresentation
bin10111000000110101…
…01000111000111101
31011220001010202021201
423200122220320331
5200300340423310
65401550455501
7615111613402
oct134032507075
934801122251
1012355014205
1152700a1046
122489804591
13121b8850c1
14852c322a9
154c49e9e3a
hex2e06a8e3d

12355014205 has 4 divisors (see below), whose sum is σ = 14826017052. Its totient is φ = 9884011360.

The previous prime is 12355014151. The next prime is 12355014209. The reversal of 12355014205 is 50241055321.

12355014205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50241055321 = 190812633041.

It can be written as a sum of positive squares in 2 ways, for example, as 8027084836 + 4327929369 = 89594^2 + 65787^2 .

It is a de Polignac number, because none of the positive numbers 2k-12355014205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12355014209) 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 3 ways as a sum of consecutive naturals, for example, 1235501416 + ... + 1235501425.

It is an arithmetic number, because the mean of its divisors is an integer number (3706504263).

Almost surely, 212355014205 is an apocalyptic number.

It is an amenable number.

12355014205 is a deficient number, since it is larger than the sum of its proper divisors (2471002847).

12355014205 is an equidigital number, since it uses as much as digits as its factorization.

12355014205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471002846.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 12355014205 its reverse (50241055321), we get a palindrome (62596069526).

The spelling of 12355014205 in words is "twelve billion, three hundred fifty-five million, fourteen thousand, two hundred five".

Divisors: 1 5 2471002841 12355014205