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1068664867 is a prime number
BaseRepresentation
bin111111101100101…
…000100000100011
32202110212210121021
4333230220200203
54142034233432
6254013110311
735324334004
oct7754504043
92673783537
101068664867
114a9262806
12259a88397
1314052c09a
14a1d031ab
1563c46697
hex3fb28823

1068664867 has 2 divisors, whose sum is σ = 1068664868. Its totient is φ = 1068664866.

The previous prime is 1068664859. The next prime is 1068664871. The reversal of 1068664867 is 7684668601.

It is a happy number.

1068664867 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 an emirp because it is prime and its reverse (7684668601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1068664867 - 23 = 1068664859 is a prime.

It is a super-2 number, since 2×10686648672 = 2284089195920255378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1068664067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534332433 + 534332434.

It is an arithmetic number, because the mean of its divisors is an integer number (534332434).

Almost surely, 21068664867 is an apocalyptic number.

1068664867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068664867 is an equidigital number, since it uses as much as digits as its factorization.

1068664867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The square root of 1068664867 is about 32690.4399939799. The cubic root of 1068664867 is about 1022.3835284387.

The spelling of 1068664867 in words is "one billion, sixty-eight million, six hundred sixty-four thousand, eight hundred sixty-seven".