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212021330210 = 25129116423031
BaseRepresentation
bin1100010101110101110…
…1001100000100100010
3202021021010112112101122
43011131131030010202
511433204430031320
6241222400532242
721214041366644
oct3053535140442
9667233475348
10212021330210
1181a10571548
1235111621082
1316cbba11711
14a394892894
1557ada09d25
hex315d74c122

212021330210 has 16 divisors (see below), whose sum is σ = 381934032192. Its totient is φ = 84742834800.

The previous prime is 212021330207. The next prime is 212021330233. The reversal of 212021330210 is 12033120212.

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 7 ways as a sum of consecutive naturals, for example, 8198606 + ... + 8224425.

It is an arithmetic number, because the mean of its divisors is an integer number (23870877012).

Almost surely, 2212021330210 is an apocalyptic number.

212021330210 is a deficient number, since it is larger than the sum of its proper divisors (169912701982).

212021330210 is a wasteful number, since it uses less digits than its factorization.

212021330210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16424329.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212021330210 its reverse (12033120212), we get a palindrome (224054450422).

The spelling of 212021330210 in words is "two hundred twelve billion, twenty-one million, three hundred thirty thousand, two hundred ten".

Divisors: 1 2 5 10 1291 2582 6455 12910 16423031 32846062 82115155 164230310 21202133021 42404266042 106010665105 212021330210