Search a number
-
+
12489683529 = 367461134789
BaseRepresentation
bin10111010000111000…
…10111001001001001
31012020102112122212110
423220130113021021
5201034324333104
65423201132533
7621335362341
oct135034271111
935212478773
1012489683529
11532a112104
12250692a149
131240746cab
14866a89d21
154d174be89
hex2e8717249

12489683529 has 16 divisors (see below), whose sum is σ = 16938250560. Its totient is φ = 8184327360.

The previous prime is 12489683519. The next prime is 12489683561. The reversal of 12489683529 is 92538698421.

It is not a de Polignac number, because 12489683529 - 229 = 11952812617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12489683519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25267 + ... + 160055.

It is an arithmetic number, because the mean of its divisors is an integer number (1058640660).

Almost surely, 212489683529 is an apocalyptic number.

It is an amenable number.

12489683529 is a deficient number, since it is larger than the sum of its proper divisors (4448567031).

12489683529 is a wasteful number, since it uses less digits than its factorization.

12489683529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135320.

The product of its digits is 7464960, while the sum is 57.

The spelling of 12489683529 in words is "twelve billion, four hundred eighty-nine million, six hundred eighty-three thousand, five hundred twenty-nine".

Divisors: 1 3 67 201 461 1383 30887 92661 134789 404367 9030863 27092589 62137729 186413187 4163227843 12489683529