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12305200532 = 2210928222937
BaseRepresentation
bin10110111010111001…
…00111010110010100
31011202120101221202212
423131130213112110
5200200112404112
65353011052552
7613635323132
oct133534472624
934676357685
1012305200532
115244a68319
122474ba1158
131211463761
1484a386752
154c045a522
hex2dd727594

12305200532 has 12 divisors (see below), whose sum is σ = 21731662260. Its totient is φ = 6096154176.

The previous prime is 12305200529. The next prime is 12305200591. The reversal of 12305200532 is 23500250321.

It can be written as a sum of positive squares in 2 ways, for example, as 5552634256 + 6752566276 = 74516^2 + 82174^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12305200498 and 12305200507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14111033 + ... + 14111904.

It is an arithmetic number, because the mean of its divisors is an integer number (1810971855).

Almost surely, 212305200532 is an apocalyptic number.

It is an amenable number.

12305200532 is a deficient number, since it is larger than the sum of its proper divisors (9426461728).

12305200532 is a wasteful number, since it uses less digits than its factorization.

12305200532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28223050 (or 28223048 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 12305200532 its reverse (23500250321), we get a palindrome (35805450853).

The spelling of 12305200532 in words is "twelve billion, three hundred five million, two hundred thousand, five hundred thirty-two".

Divisors: 1 2 4 109 218 436 28222937 56445874 112891748 3076300133 6152600266 12305200532