Search a number
-
+
11978882206 = 283259127851
BaseRepresentation
bin10110010011111111…
…10011110010011110
31010220211101021011221
423021333303302132
5144013043212311
65300353003554
7602563550554
oct131177636236
933824337157
1011978882206
115097848555
1223a38535ba
13118b97c6a5
14818cc1bd4
154a199d671
hex2c9ff3c9e

11978882206 has 16 divisors (see below), whose sum is σ = 18192480768. Its totient is φ = 5914783000.

The previous prime is 11978882203. The next prime is 11978882213. The reversal of 11978882206 is 60228887911.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11978882203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416181 + ... + 444031.

It is an arithmetic number, because the mean of its divisors is an integer number (1137030048).

Almost surely, 211978882206 is an apocalyptic number.

11978882206 is a deficient number, since it is larger than the sum of its proper divisors (6213598562).

11978882206 is a wasteful number, since it uses less digits than its factorization.

11978882206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30527.

The product of its (nonzero) digits is 774144, while the sum is 52.

The spelling of 11978882206 in words is "eleven billion, nine hundred seventy-eight million, eight hundred eighty-two thousand, two hundred six".

Divisors: 1 2 83 166 2591 5182 27851 55702 215053 430106 2311633 4623266 72161941 144323882 5989441103 11978882206