Search a number
-
+
12748384058 = 219478578329
BaseRepresentation
bin10111101111101110…
…01110011100111010
31012220110100000021112
423313313032130322
5202102041242213
65505002040322
7630626322314
oct136767163472
935813300245
1012748384058
1154521486a3
1225794a90a2
131282214927
1488d18c7b4
154e92edea8
hex2f7dce73a

12748384058 has 32 divisors (see below), whose sum is σ = 20583763200. Its totient is φ = 5902619904.

The previous prime is 12748383953. The next prime is 12748384069. The reversal of 12748384058 is 85048384721.

It is a junction number, because it is equal to n+sod(n) for n = 12748383997 and 12748384015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1526438 + ... + 1534766.

It is an arithmetic number, because the mean of its divisors is an integer number (643242600).

Almost surely, 212748384058 is an apocalyptic number.

12748384058 is a deficient number, since it is larger than the sum of its proper divisors (7835379142).

12748384058 is a wasteful number, since it uses less digits than its factorization.

12748384058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9254.

The product of its (nonzero) digits is 1720320, while the sum is 50.

The spelling of 12748384058 in words is "twelve billion, seven hundred forty-eight million, three hundred eighty-four thousand, fifty-eight".

Divisors: 1 2 19 38 47 94 857 893 1714 1786 8329 16283 16658 32566 40279 80558 158251 316502 391463 765301 782926 1530602 7137953 7437797 14275906 14875594 135621107 271242214 335483791 670967582 6374192029 12748384058