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13001634361 = 13619553001
BaseRepresentation
bin11000001101111010…
…10011001000111001
31020120002212110101101
430012331103020321
5203111404244421
65550050051401
7640123032352
oct140675231071
936502773341
1013001634361
1155720a1371
12262a279b61
1312c2824891
148b4a72d29
15511676191
hex306f53239

13001634361 has 4 divisors (see below), whose sum is σ = 13011188724. Its totient is φ = 12992080000.

The previous prime is 13001634313. The next prime is 13001634379. The reversal of 13001634361 is 16343610031.

13001634361 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, and also an emirpimes, since its reverse is a distinct semiprime: 16343610031 = 72334801433.

It can be written as a sum of positive squares in 2 ways, for example, as 601475625 + 12400158736 = 24525^2 + 111356^2 .

It is a cyclic number.

It is not a de Polignac number, because 13001634361 - 29 = 13001633849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13001634301) 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, 4775140 + ... + 4777861.

It is an arithmetic number, because the mean of its divisors is an integer number (3252797181).

Almost surely, 213001634361 is an apocalyptic number.

It is an amenable number.

13001634361 is a deficient number, since it is larger than the sum of its proper divisors (9554363).

13001634361 is an equidigital number, since it uses as much as digits as its factorization.

13001634361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9554362.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 13001634361 in words is "thirteen billion, one million, six hundred thirty-four thousand, three hundred sixty-one".

Divisors: 1 1361 9553001 13001634361