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1288690063 is a prime number
BaseRepresentation
bin100110011001111…
…1101100110001111
310022210220020102121
41030303331212033
510114401040223
6331513033411
743635453613
oct11463754617
93283806377
101288690063
11601482a11
122bb6b5867
13176ca80cb
14c3219343
157820915d
hex4ccfd98f

1288690063 has 2 divisors, whose sum is σ = 1288690064. Its totient is φ = 1288690062.

The previous prime is 1288690037. The next prime is 1288690111. The reversal of 1288690063 is 3600968821.

It is a weak prime.

It is an emirp because it is prime and its reverse (3600968821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1288690063 - 25 = 1288690031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1288690163) 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, 644345031 + 644345032.

It is an arithmetic number, because the mean of its divisors is an integer number (644345032).

Almost surely, 21288690063 is an apocalyptic number.

1288690063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1288690063 is an equidigital number, since it uses as much as digits as its factorization.

1288690063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 1288690063 is about 35898.3295293806. The cubic root of 1288690063 is about 1088.2186381970.

The spelling of 1288690063 in words is "one billion, two hundred eighty-eight million, six hundred ninety thousand, sixty-three".