Search a number
-
+
212000210210000 = 245427479771499
BaseRepresentation
bin110000001101000000100101…
…001110001100110011010000
31000210122000121011020221021102
4300031000211032030303100
5210241402412303210000
62030515315125043532
762440336561150262
oct6015004516146320
91023560534227242
10212000210210000
1161605869914023
121b93b0895565a8
13913a6c339c084
143a4cc174c1b32
15197992a6843d5
hexc0d02538ccd0

212000210210000 has 100 divisors (see below), whose sum is σ = 513293053020000. Its totient is φ = 84796888176000.

The previous prime is 212000210209993. The next prime is 212000210210021. The reversal of 212000210210000 is 12012000212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 274404251 + ... + 275175749.

It is an arithmetic number, because the mean of its divisors is an integer number (5132930530200).

Almost surely, 2212000210210000 is an apocalyptic number.

212000210210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212000210210000 is an abundant number, since it is smaller than the sum of its proper divisors (301292842810000).

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

212000210210000 is an equidigital number, since it uses as much as digits as its factorization.

212000210210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799006 (or 798985 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212000210210000 its reverse (12012000212), we get a palindrome (212012222210212).

The spelling of 212000210210000 in words is "two hundred twelve trillion, two hundred ten million, two hundred ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 27479 54958 109916 137395 219832 274790 439664 549580 686975 771499 1099160 1373950 1542998 2198320 2747900 3085996 3434875 3857495 5495800 6171992 6869750 7714990 10991600 12343984 13739500 15429980 17174375 19287475 27479000 30859960 34348750 38574950 54958000 61719920 68697500 77149900 96437375 137395000 154299800 192874750 274790000 308599600 385749500 482186875 771499000 964373750 1542998000 1928747500 3857495000 7714990000 21200021021 42400042042 84800084084 106000105105 169600168168 212000210210 339200336336 424000420420 530000525525 848000840840 1060001051050 1696001681680 2120002102100 2650002627625 4240004204200 5300005255250 8480008408400 10600010510500 13250013138125 21200021021000 26500026276250 42400042042000 53000052552500 106000105105000 212000210210000