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13026730784 = 25407085337
BaseRepresentation
bin11000010000111010…
…00010001100100000
31020121212002111012112
430020131002030200
5203134320341114
65552344014452
7640546245644
oct141035021440
936555074175
1013026730784
115585282711
122636761428
1312c7aa0932
148b8126c24
1551398213e
hex308742320

13026730784 has 12 divisors (see below), whose sum is σ = 25646376294. Its totient is φ = 6513365376.

The previous prime is 13026730753. The next prime is 13026730799. The reversal of 13026730784 is 48703762031.

It can be written as a sum of positive squares in only one way, i.e., 10905207184 + 2121523600 = 104428^2 + 46060^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203542637 + ... + 203542700.

Almost surely, 213026730784 is an apocalyptic number.

It is an amenable number.

13026730784 is a deficient number, since it is larger than the sum of its proper divisors (12619645510).

13026730784 is an equidigital number, since it uses as much as digits as its factorization.

13026730784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407085347 (or 407085339 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

It can be divided in two parts, 130267 and 30784, that added together give a 5-th power (161051 = 115).

The spelling of 13026730784 in words is "thirteen billion, twenty-six million, seven hundred thirty thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 32 407085337 814170674 1628341348 3256682696 6513365392 13026730784