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206497834783 is a prime number
BaseRepresentation
bin1100000001010000111…
…0101110011100011111
3201202000012002220002221
43000110032232130133
511340401421203113
6234510325130211
720630131430512
oct3002416563437
9652005086087
10206497834783
117a63670a699
123402b859967
131661b592626
149dcd080d79
155588b4898d
hex30143ae71f

206497834783 has 2 divisors, whose sum is σ = 206497834784. Its totient is φ = 206497834782.

The previous prime is 206497834727. The next prime is 206497834793. The reversal of 206497834783 is 387438794602.

It is a happy number.

206497834783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-206497834783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206497834703) by changing a digit.

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 as a sum of consecutive naturals, namely, 103248917391 + 103248917392.

It is an arithmetic number, because the mean of its divisors is an integer number (103248917392).

Almost surely, 2206497834783 is an apocalyptic number.

206497834783 is a deficient number, since it is larger than the sum of its proper divisors (1).

206497834783 is an equidigital number, since it uses as much as digits as its factorization.

206497834783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48771072, while the sum is 61.

The spelling of 206497834783 in words is "two hundred six billion, four hundred ninety-seven million, eight hundred thirty-four thousand, seven hundred eighty-three".