Search a number
-
+
13499194986 = 232749955277
BaseRepresentation
bin11001001001001110…
…10101111001101010
31021211210010011020200
430210213111321222
5210121243214421
610111302333030
7655344156414
oct144447257152
937753104220
1013499194986
1157a7a41aa2
122748a2a176
131371934554
14920b919b4
155401ab726
hex3249d5e6a

13499194986 has 12 divisors (see below), whose sum is σ = 29248255842. Its totient is φ = 4499731656.

The previous prime is 13499194957. The next prime is 13499194999. The reversal of 13499194986 is 68949199431.

13499194986 is a `hidden beast` number, since 13 + 49 + 91 + 9 + 498 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12539744361 + 959450625 = 111981^2 + 30975^2 .

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 374977621 + ... + 374977656.

Almost surely, 213499194986 is an apocalyptic number.

13499194986 is an abundant number, since it is smaller than the sum of its proper divisors (15749060856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13499194986 is a wasteful number, since it uses less digits than its factorization.

13499194986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749955285 (or 749955282 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 63.

The spelling of 13499194986 in words is "thirteen billion, four hundred ninety-nine million, one hundred ninety-four thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 9 18 749955277 1499910554 2249865831 4499731662 6749597493 13499194986