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1068233389 is a prime number
BaseRepresentation
bin111111101010111…
…111001010101101
32202110001212201121
4333222333022231
54141431432024
6253555540541
735320556026
oct7752771255
92673055647
101068233389
114a8a98613
122598ba751
1314040a882
14a1c2dc4d
1563bad8e4
hex3fabf2ad

1068233389 has 2 divisors, whose sum is σ = 1068233390. Its totient is φ = 1068233388.

The previous prime is 1068233363. The next prime is 1068233417. The reversal of 1068233389 is 9833328601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 780252489 + 287980900 = 27933^2 + 16970^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068233389 - 211 = 1068231341 is a prime.

It is a super-2 number, since 2×10682333892 = 2282245146748850642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1068233329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534116694 + 534116695.

It is an arithmetic number, because the mean of its divisors is an integer number (534116695).

Almost surely, 21068233389 is an apocalyptic number.

It is an amenable number.

1068233389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068233389 is an equidigital number, since it uses as much as digits as its factorization.

1068233389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 1068233389 is about 32683.8398753880. The cubic root of 1068233389 is about 1022.2459126787.

The spelling of 1068233389 in words is "one billion, sixty-eight million, two hundred thirty-three thousand, three hundred eighty-nine".