Search a number
-
+
12032679487 = 21157026917
BaseRepresentation
bin10110011010011010…
…00001111000111111
31011001120121110011211
423031031001320333
5144120331220422
65305554025251
7604116042133
oct131515017077
934046543154
1012032679487
115115152214
1223b9878227
131199b672ba
148220c73c3
154a6578577
hex2cd341e3f

12032679487 has 4 divisors (see below), whose sum is σ = 12089706616. Its totient is φ = 11975652360.

The previous prime is 12032679443. The next prime is 12032679511. The reversal of 12032679487 is 78497623021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78497623021 = 128236121627.

It is a cyclic number.

It is not a de Polignac number, because 12032679487 - 27 = 12032679359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12032679487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032679437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28513248 + ... + 28513669.

It is an arithmetic number, because the mean of its divisors is an integer number (3022426654).

Almost surely, 212032679487 is an apocalyptic number.

12032679487 is a deficient number, since it is larger than the sum of its proper divisors (57027129).

12032679487 is an equidigital number, since it uses as much as digits as its factorization.

12032679487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57027128.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 12032679487 in words is "twelve billion, thirty-two million, six hundred seventy-nine thousand, four hundred eighty-seven".

Divisors: 1 211 57026917 12032679487