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12304512938 = 26152256469
BaseRepresentation
bin10110111010110011…
…11111011110101010
31011202112010000120102
423131121333132222
5200144423403223
65352544225402
7613626430364
oct133531773652
934675100512
1012304512938
115244638763
12247490b262
1312112827b3
1484a247d34
154c0371928
hex2dd67f7aa

12304512938 has 4 divisors (see below), whose sum is σ = 18456769410. Its totient is φ = 6152256468.

The previous prime is 12304512919. The next prime is 12304512967. The reversal of 12304512938 is 83921540321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83921540321 = 159752549493.

It can be written as a sum of positive squares in only one way, i.e., 12259582729 + 44930209 = 110723^2 + 6703^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3076128233 + ... + 3076128236.

Almost surely, 212304512938 is an apocalyptic number.

12304512938 is a deficient number, since it is larger than the sum of its proper divisors (6152256472).

12304512938 is an equidigital number, since it uses as much as digits as its factorization.

12304512938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6152256471.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 12304512938 in words is "twelve billion, three hundred four million, five hundred twelve thousand, nine hundred thirty-eight".

Divisors: 1 2 6152256469 12304512938