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207205213252 = 22173047135489
BaseRepresentation
bin1100000011111001100…
…1001010010001000100
3201210211111011102221111
43000332121022101010
511343324013311002
6235104434454404
720653511152432
oct3007631122104
9653744142844
10207205213252
117a969a395a4
12341a8734404
1316701cb627b
14a058db9d52
1555cacc73d7
hex303e64a444

207205213252 has 12 divisors (see below), whose sum is σ = 383939071740. Its totient is φ = 97508335616.

The previous prime is 207205213211. The next prime is 207205213289. The reversal of 207205213252 is 252312502702.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 86757346116 + 120447867136 = 294546^2 + 347056^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1523567677 + ... + 1523567812.

It is an arithmetic number, because the mean of its divisors is an integer number (31994922645).

Almost surely, 2207205213252 is an apocalyptic number.

It is an amenable number.

207205213252 is a deficient number, since it is larger than the sum of its proper divisors (176733858488).

207205213252 is a wasteful number, since it uses less digits than its factorization.

207205213252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047135510 (or 3047135508 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

Adding to 207205213252 its reverse (252312502702), we get a palindrome (459517715954).

The spelling of 207205213252 in words is "two hundred seven billion, two hundred five million, two hundred thirteen thousand, two hundred fifty-two".

Divisors: 1 2 4 17 34 68 3047135489 6094270978 12188541956 51801303313 103602606626 207205213252