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212234344244 = 22136577620561
BaseRepresentation
bin1100010110101000100…
…1110001011100110100
3202021210222100202201022
43011222021301130310
511434123443003434
6241255450320312
721222236106056
oct3055211613464
9667728322638
10212234344244
118200a8330aa
1235170a29098
1317023ba4420
14a3b4ca18d6
1557c258522e
hex316a271734

212234344244 has 24 divisors (see below), whose sum is σ = 400041569928. Its totient is φ = 97939261440.

The previous prime is 212234344229. The next prime is 212234344249. The reversal of 212234344244 is 442443432212.

It can be written as a sum of positive squares in 4 ways, for example, as 68153367844 + 144080976400 = 261062^2 + 379580^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212234344249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31724 + ... + 652284.

It is an arithmetic number, because the mean of its divisors is an integer number (16668398747).

Almost surely, 2212234344244 is an apocalyptic number.

It is an amenable number.

212234344244 is a deficient number, since it is larger than the sum of its proper divisors (187807225684).

212234344244 is a wasteful number, since it uses less digits than its factorization.

212234344244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627155 (or 627153 counting only the distinct ones).

The product of its digits is 147456, while the sum is 35.

Adding to 212234344244 its reverse (442443432212), we get a palindrome (654677776456).

The spelling of 212234344244 in words is "two hundred twelve billion, two hundred thirty-four million, three hundred forty-four thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 6577 13154 26308 85501 171002 342004 620561 1241122 2482244 8067293 16134586 32269172 4081429697 8162859394 16325718788 53058586061 106117172122 212234344244