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12371013709 = 53233415353
BaseRepresentation
bin10111000010101111…
…01011000001001101
31011221011020121110221
423201113223001031
5200313434414314
65403321431341
7615364611235
oct134127530115
934834217427
1012371013709
11527912977a
12249303b551
131221c97672
14854dd8cc5
154c610a824
hex2e15eb04d

12371013709 has 4 divisors (see below), whose sum is σ = 12604429116. Its totient is φ = 12137598304.

The previous prime is 12371013673. The next prime is 12371013719. The reversal of 12371013709 is 90731017321.

12371013709 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.

It can be written as a sum of positive squares in 2 ways, for example, as 10029421609 + 2341592100 = 100147^2 + 48390^2 .

It is a cyclic number.

It is not a de Polignac number, because 12371013709 - 27 = 12371013581 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 (12371013719) 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, 116707624 + ... + 116707729.

It is an arithmetic number, because the mean of its divisors is an integer number (3151107279).

Almost surely, 212371013709 is an apocalyptic number.

It is an amenable number.

12371013709 is a deficient number, since it is larger than the sum of its proper divisors (233415407).

12371013709 is an equidigital number, since it uses as much as digits as its factorization.

12371013709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233415406.

The product of its (nonzero) digits is 7938, while the sum is 34.

The spelling of 12371013709 in words is "twelve billion, three hundred seventy-one million, thirteen thousand, seven hundred nine".

Divisors: 1 53 233415353 12371013709