Search a number
-
+
13139262794 = 272035746103
BaseRepresentation
bin11000011110010100…
…10011110101001010
31020220200211201002202
430033022103311022
5203402122402134
610011444000202
7643413614420
oct141712236512
936820751082
1013139262794
115632853679
122668390062
1313151b1618
148c905b110
1551d7aed7e
hex30f293d4a

13139262794 has 16 divisors (see below), whose sum is σ = 22526045568. Its totient is φ = 5630713872.

The previous prime is 13139262791. The next prime is 13139262809. The reversal of 13139262794 is 49726293131.

It is a happy number.

13139262794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13139262791) 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 7 ways as a sum of consecutive naturals, for example, 261947 + ... + 308049.

It is an arithmetic number, because the mean of its divisors is an integer number (1407877848).

Almost surely, 213139262794 is an apocalyptic number.

13139262794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13139262794 is a deficient number, since it is larger than the sum of its proper divisors (9386782774).

13139262794 is a wasteful number, since it uses less digits than its factorization.

13139262794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66469.

The product of its digits is 489888, while the sum is 47.

The spelling of 13139262794 in words is "thirteen billion, one hundred thirty-nine million, two hundred sixty-two thousand, seven hundred ninety-four".

Divisors: 1 2 7 14 20357 40714 46103 92206 142499 284998 322721 645442 938518771 1877037542 6569631397 13139262794