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206800212443 = 11173677300757
BaseRepresentation
bin1100000010011001000…
…0001101000111011011
3201202210021002021021112
43000212100031013123
511342011323244233
6235000330130535
720640462542156
oct3004620150733
9652707067245
10206800212443
117a781368490
12340b4b80a4b
1316669113716
14a01b2b2c9d
1555a5477048
hex302640d1db

206800212443 has 16 divisors (see below), whose sum is σ = 238936591584. Its totient is φ = 176892648960.

The previous prime is 206800212439. The next prime is 206800212449. The reversal of 206800212443 is 344212008602.

It is a cyclic number.

It is not a de Polignac number, because 206800212443 - 22 = 206800212439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206800212449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537221 + ... + 837977.

It is an arithmetic number, because the mean of its divisors is an integer number (14933536974).

Almost surely, 2206800212443 is an apocalyptic number.

206800212443 is a deficient number, since it is larger than the sum of its proper divisors (32136379141).

206800212443 is a wasteful number, since it uses less digits than its factorization.

206800212443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304462.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 206800212443 in words is "two hundred six billion, eight hundred million, two hundred twelve thousand, four hundred forty-three".

Divisors: 1 11 17 187 3677 40447 62509 300757 687599 3308327 5112869 56241559 1105883489 12164718379 18800019313 206800212443