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12300032005 = 54597535133
BaseRepresentation
bin10110111010010001…
…11001100000000101
31011202012200100212221
423131020321200011
5200142302011010
65352304212341
7613543355422
oct133510714005
934665610787
1012300032005
115242058108
12247330a0b1
131210374061
148497dcd49
154bec88dda
hex2dd239805

12300032005 has 8 divisors (see below), whose sum is σ = 14763276792. Its totient is φ = 9837866688.

The previous prime is 12300031999. The next prime is 12300032029. The reversal of 12300032005 is 50023000321.

It can be written as a sum of positive squares in 4 ways, for example, as 102596641 + 12197435364 = 10129^2 + 110442^2 .

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 12300032005 - 25 = 12300031973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12300032005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244582 + ... + 290551.

It is an arithmetic number, because the mean of its divisors is an integer number (1845409599).

Almost surely, 212300032005 is an apocalyptic number.

It is an amenable number.

12300032005 is a deficient number, since it is larger than the sum of its proper divisors (2463244787).

12300032005 is an equidigital number, since it uses as much as digits as its factorization.

12300032005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539735.

The product of its (nonzero) digits is 180, while the sum is 16.

Adding to 12300032005 its reverse (50023000321), we get a palindrome (62323032326).

The spelling of 12300032005 in words is "twelve billion, three hundred million, thirty-two thousand, five".

Divisors: 1 5 4597 22985 535133 2675665 2460006401 12300032005