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7683880669 is a prime number
BaseRepresentation
bin1110010011111111…
…01011011011011101
3201211111120120200221
413021333223123131
5111214033140134
63310244121341
7361261623313
oct71177533335
921744516627
107683880669
113293394303
1215a5396251
13955bc036a
1452c6da0b3
152ee8a55b4
hex1c9feb6dd

7683880669 has 2 divisors, whose sum is σ = 7683880670. Its totient is φ = 7683880668.

The previous prime is 7683880661. The next prime is 7683880679. The reversal of 7683880669 is 9660883867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6498455769 + 1185424900 = 80613^2 + 34430^2 .

It is a cyclic number.

It is not a de Polignac number, because 7683880669 - 23 = 7683880661 is a prime.

It is a super-2 number, since 2×76838806692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7683880661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3841940334 + 3841940335.

It is an arithmetic number, because the mean of its divisors is an integer number (3841940335).

Almost surely, 27683880669 is an apocalyptic number.

It is an amenable number.

7683880669 is a deficient number, since it is larger than the sum of its proper divisors (1).

7683880669 is an equidigital number, since it uses as much as digits as its factorization.

7683880669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20901888, while the sum is 61.

The square root of 7683880669 is about 87657.7473415784. The cubic root of 7683880669 is about 1973.3019143675.

The spelling of 7683880669 in words is "seven billion, six hundred eighty-three million, eight hundred eighty thousand, six hundred sixty-nine".