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1068810269 is a prime number
BaseRepresentation
bin111111101101001…
…100000000011101
32202111011012001112
4333231030000131
54142103412034
6254020151405
735325510632
oct7755140035
92674135045
101068810269
114a9351a7a
12259b38565
13140580317
14a1d40189
1563c747ce
hex3fb4c01d

1068810269 has 2 divisors, whose sum is σ = 1068810270. Its totient is φ = 1068810268.

The previous prime is 1068810257. The next prime is 1068810271. The reversal of 1068810269 is 9620188601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 797384644 + 271425625 = 28238^2 + 16475^2 .

It is an emirp because it is prime and its reverse (9620188601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1068810269 - 28 = 1068810013 is a prime.

It is a super-2 number, since 2×10688102692 = 2284710782239704722, which contains 22 as substring.

Together with 1068810271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1068810209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534405134 + 534405135.

It is an arithmetic number, because the mean of its divisors is an integer number (534405135).

Almost surely, 21068810269 is an apocalyptic number.

It is an amenable number.

1068810269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068810269 is an equidigital number, since it uses as much as digits as its factorization.

1068810269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 1068810269 is about 32692.6638406845. The cubic root of 1068810269 is about 1022.4298946641.

The spelling of 1068810269 in words is "one billion, sixty-eight million, eight hundred ten thousand, two hundred sixty-nine".