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1288993063 is a prime number
BaseRepresentation
bin100110011010100…
…0111100100100111
310022211110122001211
41030311013210213
510114440234223
6331523332251
743641155161
oct11465074447
93284418054
101288993063
1160166a626
122bb821087
13177082cb7
14c3297931
1578268d0d
hex4cd47927

1288993063 has 2 divisors, whose sum is σ = 1288993064. Its totient is φ = 1288993062.

The previous prime is 1288993021. The next prime is 1288993081. The reversal of 1288993063 is 3603998821.

It is a strong prime.

It is an emirp because it is prime and its reverse (3603998821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1288993063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1288992998 and 1288993016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1288993463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 644496531 + 644496532.

It is an arithmetic number, because the mean of its divisors is an integer number (644496532).

Almost surely, 21288993063 is an apocalyptic number.

1288993063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1288993063 is an equidigital number, since it uses as much as digits as its factorization.

1288993063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 1288993063 is about 35902.5495334245. The cubic root of 1288993063 is about 1088.3039197342.

The spelling of 1288993063 in words is "one billion, two hundred eighty-eight million, nine hundred ninety-three thousand, sixty-three".