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7668854093 is a prime number
BaseRepresentation
bin1110010010001100…
…10110110101001101
3201210110022011010002
413021012112311031
5111201211312333
63304550054045
7361020120125
oct71106266515
921713264102
107668854093
11328596064a
1215a034a325
13952a5b8b4
1452a707c85
152ed3d80e8
hex1c9196d4d

7668854093 has 2 divisors, whose sum is σ = 7668854094. Its totient is φ = 7668854092.

The previous prime is 7668854087. The next prime is 7668854107. The reversal of 7668854093 is 3904588667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7231291369 + 437562724 = 85037^2 + 20918^2 .

It is a cyclic number.

It is not a de Polignac number, because 7668854093 - 28 = 7668853837 is a prime.

It is a super-2 number, since 2×76688540932 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7668854023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3834427046 + 3834427047.

It is an arithmetic number, because the mean of its divisors is an integer number (3834427047).

Almost surely, 27668854093 is an apocalyptic number.

It is an amenable number.

7668854093 is a deficient number, since it is larger than the sum of its proper divisors (1).

7668854093 is an equidigital number, since it uses as much as digits as its factorization.

7668854093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The square root of 7668854093 is about 87571.9937708398. The cubic root of 7668854093 is about 1972.0147470018.

The spelling of 7668854093 in words is "seven billion, six hundred sixty-eight million, eight hundred fifty-four thousand, ninety-three".