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12528879914 = 2612232292011
BaseRepresentation
bin10111010101100011…
…11000100100101010
31012100011022001012102
423222301320210222
5201124343124124
65431121213402
7622322502455
oct135261704452
935304261172
1012528879914
11534a253a11
122517a91262
1312488bbb15
1486bd7049c
154d4de0aae
hex2eac7892a

12528879914 has 32 divisors (see below), whose sum is σ = 19280432640. Its totient is φ = 6104289600.

The previous prime is 12528879893. The next prime is 12528879919. The reversal of 12528879914 is 41997882521.

12528879914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12528879914.

It is not an unprimeable number, because it can be changed into a prime (12528879919) 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 15 ways as a sum of consecutive naturals, for example, 6229169 + ... + 6231179.

It is an arithmetic number, because the mean of its divisors is an integer number (602513520).

Almost surely, 212528879914 is an apocalyptic number.

12528879914 is a deficient number, since it is larger than the sum of its proper divisors (6751552726).

12528879914 is a wasteful number, since it uses less digits than its factorization.

12528879914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526.

The product of its digits is 2903040, while the sum is 56.

The spelling of 12528879914 in words is "twelve billion, five hundred twenty-eight million, eight hundred seventy-nine thousand, nine hundred fourteen".

Divisors: 1 2 61 122 223 229 446 458 2011 4022 13603 13969 27206 27938 51067 102134 122671 245342 448453 460519 896906 921038 3115087 6230174 27355633 28091659 54711266 56183318 102695737 205391474 6264439957 12528879914