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13207331128 = 231650916391
BaseRepresentation
bin11000100110011011…
…11110000100111000
31021002102220221022011
430103031332010320
5204022034044003
610022314535304
7645201314365
oct142315760470
937072827264
1013207331128
1156682153a2
122687137534
131326324b44
148d40d946c
1552475846d
hex31337e138

13207331128 has 8 divisors (see below), whose sum is σ = 24763745880. Its totient is φ = 6603665560.

The previous prime is 13207331117. The next prime is 13207331173. The reversal of 13207331128 is 82113370231.

13207331128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 13207331128.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 825458188 + ... + 825458203.

It is an arithmetic number, because the mean of its divisors is an integer number (3095468235).

Almost surely, 213207331128 is an apocalyptic number.

It is an amenable number.

13207331128 is a deficient number, since it is larger than the sum of its proper divisors (11556414752).

13207331128 is a wasteful number, since it uses less digits than its factorization.

13207331128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650916397 (or 1650916393 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 13207331128 in words is "thirteen billion, two hundred seven million, three hundred thirty-one thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 1650916391 3301832782 6603665564 13207331128