Search a number
-
+
212020868076 = 223237011095851
BaseRepresentation
bin1100010101110101101…
…1011011001111101100
3202021021002200001110120
43011131123123033230
511433204320234301
6241222343004540
721214034433423
oct3053533331754
9667232601416
10212020868076
1181a10286316
1235111439750
1316cbb8ac274
14a3947b22ba
1557ad967e36
hex315d6db3ec

212020868076 has 48 divisors (see below), whose sum is σ = 516961605888. Its totient is φ = 67504360000.

The previous prime is 212020868063. The next prime is 212020868077. The reversal of 212020868076 is 670868020212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212020868077) by changing a digit.

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, 354450 + ... + 741401.

It is an arithmetic number, because the mean of its divisors is an integer number (10770033456).

Almost surely, 2212020868076 is an apocalyptic number.

It is an amenable number.

212020868076 is an abundant number, since it is smaller than the sum of its proper divisors (304940737812).

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

212020868076 is a wasteful number, since it uses less digits than its factorization.

212020868076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096582 (or 1096580 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

Adding to 212020868076 its reverse (670868020212), we get a palindrome (882888888288).

The spelling of 212020868076 in words is "two hundred twelve billion, twenty million, eight hundred sixty-eight thousand, seventy-six".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 701 1402 2103 2804 4206 8412 16123 32246 48369 64492 96738 193476 1095851 2191702 3287553 4383404 6575106 13150212 25204573 50409146 75613719 100818292 151227438 302454876 768191551 1536383102 2304574653 3072766204 4609149306 9218298612 17668405673 35336811346 53005217019 70673622692 106010434038 212020868076