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12926130013 = 17760360589
BaseRepresentation
bin11000000100111010…
…10001011101011101
31020100211210102220001
430002131101131131
5202433042130023
65534351454301
7635215202146
oct140235213535
936324712801
1012926130013
115533510885
122608b27391
1312acca9854
148a8a1aacd
15509c0e6ad
hex30275175d

12926130013 has 4 divisors (see below), whose sum is σ = 13686490620. Its totient is φ = 12165769408.

The previous prime is 12926129987. The next prime is 12926130017. The reversal of 12926130013 is 31003162921.

12926130013 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 11568723364 + 1357406649 = 107558^2 + 36843^2 .

It is a cyclic number.

It is not a de Polignac number, because 12926130013 - 29 = 12926129501 is a prime.

It is a super-2 number, since 2×129261300132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12926130017) 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, 380180278 + ... + 380180311.

It is an arithmetic number, because the mean of its divisors is an integer number (3421622655).

Almost surely, 212926130013 is an apocalyptic number.

It is an amenable number.

12926130013 is a deficient number, since it is larger than the sum of its proper divisors (760360607).

12926130013 is an equidigital number, since it uses as much as digits as its factorization.

12926130013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760360606.

The product of its (nonzero) digits is 1944, while the sum is 28.

Adding to 12926130013 its reverse (31003162921), we get a palindrome (43929292934).

The spelling of 12926130013 in words is "twelve billion, nine hundred twenty-six million, one hundred thirty thousand, thirteen".

Divisors: 1 17 760360589 12926130013