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12140678487 = 372512303297
BaseRepresentation
bin10110100111010010…
…00000110101010111
31011100002211100221210
423103221000311113
5144331003202422
65324412512503
7606600031050
oct132351006527
934302740853
1012140678487
115170107493
122429a7b733
1311b634b932
1483259b727
154b0cad10c
hex2d3a40d57

12140678487 has 16 divisors (see below), whose sum is σ = 18573795072. Its totient is φ = 6909888000.

The previous prime is 12140678453. The next prime is 12140678489. The reversal of 12140678487 is 78487604121.

12140678487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12140678487 - 26 = 12140678423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140678489) 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, 1146378 + ... + 1156919.

It is an arithmetic number, because the mean of its divisors is an integer number (1160862192).

Almost surely, 212140678487 is an apocalyptic number.

12140678487 is a deficient number, since it is larger than the sum of its proper divisors (6433116585).

12140678487 is a wasteful number, since it uses less digits than its factorization.

12140678487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303558.

The product of its (nonzero) digits is 602112, while the sum is 48.

The spelling of 12140678487 in words is "twelve billion, one hundred forty million, six hundred seventy-eight thousand, four hundred eighty-seven".

Divisors: 1 3 7 21 251 753 1757 5271 2303297 6909891 16123079 48369237 578127547 1734382641 4046892829 12140678487