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12330350513 = 13948488501
BaseRepresentation
bin10110111101111001…
…00011011110110001
31011211022201201001122
423132330203132301
5200223032204023
65355310112025
7614362151525
oct133674433661
934738651048
1012330350513
115258185928
1224814ab615
13121672acc0
1484d851d85
154c27772c8
hex2def237b1

12330350513 has 4 divisors (see below), whose sum is σ = 13278839028. Its totient is φ = 11381862000.

The previous prime is 12330350509. The next prime is 12330350521. The reversal of 12330350513 is 31505303321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31505303321 = 191658173859.

It can be written as a sum of positive squares in 2 ways, for example, as 971693584 + 11358656929 = 31172^2 + 106577^2 .

It is a cyclic number.

It is not a de Polignac number, because 12330350513 - 22 = 12330350509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12330359513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474244238 + ... + 474244263.

It is an arithmetic number, because the mean of its divisors is an integer number (3319709757).

Almost surely, 212330350513 is an apocalyptic number.

12330350513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12330350513 is a deficient number, since it is larger than the sum of its proper divisors (948488515).

12330350513 is an equidigital number, since it uses as much as digits as its factorization.

12330350513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948488514.

The product of its (nonzero) digits is 4050, while the sum is 26.

Adding to 12330350513 its reverse (31505303321), we get a palindrome (43835653834).

The spelling of 12330350513 in words is "twelve billion, three hundred thirty million, three hundred fifty thousand, five hundred thirteen".

Divisors: 1 13 948488501 12330350513