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212204237572 = 2273726726841
BaseRepresentation
bin1100010110100001011…
…0111011001100000100
3202021201212201012010101
43011220112323030010
511434043241100242
6241252453133444
721221422154365
oct3055026731404
9667655635111
10212204237572
1181aa483a558
123516292a284
131701a892a22
14a3b0ca5b6c
1557bead99b7
hex31685bb304

212204237572 has 12 divisors (see below), whose sum is σ = 376444504156. Its totient is φ = 104648664960.

The previous prime is 212204237569. The next prime is 212204237579. The reversal of 212204237572 is 275732402212.

212204237572 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 139469383936 + 72734853636 = 373456^2 + 269694^2 .

It is not an unprimeable number, because it can be changed into a prime (212204237579) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 363363129 + ... + 363363712.

Almost surely, 2212204237572 is an apocalyptic number.

It is an amenable number.

212204237572 is a deficient number, since it is larger than the sum of its proper divisors (164240266584).

212204237572 is a wasteful number, since it uses less digits than its factorization.

212204237572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726726918 (or 726726916 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 37.

Adding to 212204237572 its reverse (275732402212), we get a palindrome (487936639784).

The spelling of 212204237572 in words is "two hundred twelve billion, two hundred four million, two hundred thirty-seven thousand, five hundred seventy-two".

Divisors: 1 2 4 73 146 292 726726841 1453453682 2906907364 53051059393 106102118786 212204237572