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206895634130 = 2553390369121
BaseRepresentation
bin1100000010101111110…
…0001101011011010010
3201210000220122012020002
43000223330031123102
511342210240243010
6235014015250002
720643031605413
oct3005374153322
9653026565202
10206895634130
117a820212189
1234120b19902
1316682b13363
14a029c3180a
1555ada251a5
hex302bf0d6d2

206895634130 has 16 divisors (see below), whose sum is σ = 379438786584. Its totient is φ = 81196776960.

The previous prime is 206895634093. The next prime is 206895634163. The reversal of 206895634130 is 31436598602.

206895634130 is digitally balanced in base 2, 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 4 ways, for example, as 178892623849 + 28003010281 = 422957^2 + 167341^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195184031 + ... + 195185090.

Almost surely, 2206895634130 is an apocalyptic number.

206895634130 is a deficient number, since it is larger than the sum of its proper divisors (172543152454).

206895634130 is a wasteful number, since it uses less digits than its factorization.

206895634130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390369181.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 206895634130 in words is "two hundred six billion, eight hundred ninety-five million, six hundred thirty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 390369121 780738242 1951845605 3903691210 20689563413 41379126826 103447817065 206895634130