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211243124200 = 23521399754979
BaseRepresentation
bin1100010010111100010…
…0100100010111101000
3202012020220012120102211
43010233010210113220
511430111214433300
6241013241134504
721155541633523
oct3045704442750
9665226176384
10211243124200
1181651266889
1234b34a8a434
1316bc671c6a4
14a31d39bbba
15576553a4ba
hex312f1245e8

211243124200 has 48 divisors (see below), whose sum is σ = 491491980000. Its totient is φ = 84436739520.

The previous prime is 211243124177. The next prime is 211243124221. The reversal of 211243124200 is 2421342112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97690 + ... + 657289.

It is an arithmetic number, because the mean of its divisors is an integer number (10239416250).

Almost surely, 2211243124200 is an apocalyptic number.

211243124200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211243124200 is an abundant number, since it is smaller than the sum of its proper divisors (280248855800).

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

211243124200 is a wasteful number, since it uses less digits than its factorization.

211243124200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756394 (or 756385 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 211243124200 its reverse (2421342112), we get a palindrome (213664466312).

The spelling of 211243124200 in words is "two hundred eleven billion, two hundred forty-three million, one hundred twenty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1399 2798 5596 6995 11192 13990 27980 34975 55960 69950 139900 279800 754979 1509958 3019916 3774895 6039832 7549790 15099580 18874475 30199160 37748950 75497900 150995800 1056215621 2112431242 4224862484 5281078105 8449724968 10562156210 21124312420 26405390525 42248624840 52810781050 105621562100 211243124200