Search a number
-
+
211131211132 = 22827166738287
BaseRepresentation
bin1100010010100001100…
…1101001110101111100
3202011222002121210120101
43010220121221311330
511424344042224012
6240554202330444
721153012453412
oct3045031516574
9664862553511
10211131211132
11815a4078946
1234b034b9a24
1316ba949763a
14a30c5892b2
15575a7d0d57
hex3128669d7c

211131211132 has 24 divisors (see below), whose sum is σ = 370157969664. Its totient is φ = 105371954352.

The previous prime is 211131211129. The next prime is 211131211141. The reversal of 211131211132 is 231112131112.

211131211132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5495293 + ... + 5533579.

It is an arithmetic number, because the mean of its divisors is an integer number (15423248736).

Almost surely, 2211131211132 is an apocalyptic number.

It is an amenable number.

211131211132 is a deficient number, since it is larger than the sum of its proper divisors (159026758532).

211131211132 is a wasteful number, since it uses less digits than its factorization.

211131211132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40785 (or 40783 counting only the distinct ones).

The product of its digits is 72, while the sum is 19.

Adding to 211131211132 its reverse (231112131112), we get a palindrome (442243342244).

The spelling of 211131211132 in words is "two hundred eleven billion, one hundred thirty-one million, two hundred eleven thousand, one hundred thirty-two".

Divisors: 1 2 4 827 1654 1667 3308 3334 6668 38287 76574 153148 1378609 2757218 5514436 31663349 63326698 63824429 126653396 127648858 255297716 52782802783 105565605566 211131211132