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25530310012113 = 3217166864771321
BaseRepresentation
bin1011100111000001111010…
…00011110010110011010001
310100101200012012102111100200
411303200331003302303101
511321242033330341423
6130144243522405413
75243334611351604
oct563407503626321
9110350165374320
1025530310012113
118153386478785
122a43b41200869
131132661b82b7a
146439604d033b
152e417e14ed43
hex17383d0f2cd1

25530310012113 has 12 divisors (see below), whose sum is σ = 39046356489348. Its totient is φ = 16019018046720.

The previous prime is 25530310012063. The next prime is 25530310012117. The reversal of 25530310012113 is 31121001303552.

25530310012113 is a `hidden beast` number, since 2 + 5 + 530 + 3 + 1 + 0 + 0 + 12 + 113 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21202129348929 + 4328180663184 = 4604577^2 + 2080428^2 .

It is not a de Polignac number, because 25530310012113 - 225 = 25530276457681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25530310012117) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 83432385508 + ... + 83432385813.

It is an arithmetic number, because the mean of its divisors is an integer number (3253863040779).

Almost surely, 225530310012113 is an apocalyptic number.

It is an amenable number.

25530310012113 is a deficient number, since it is larger than the sum of its proper divisors (13516046477235).

25530310012113 is a wasteful number, since it uses less digits than its factorization.

25530310012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166864771344 (or 166864771341 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 25530310012113 its reverse (31121001303552), we get a palindrome (56651311315665).

The spelling of 25530310012113 in words is "twenty-five trillion, five hundred thirty billion, three hundred ten million, twelve thousand, one hundred thirteen".

Divisors: 1 3 9 17 51 153 166864771321 500594313963 1501782941889 2836701112457 8510103337371 25530310012113