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7983022661 is a prime number
BaseRepresentation
bin1110110111101001…
…10100001001000101
3202121100110120100222
413123310310021011
5112322123211121
63400051514125
7401553400355
oct73364641105
922540416328
107983022661
113427232099
1216695b8945
139a2b7a763
1455a328b65
1531ac950ab
hex1dbd34245

7983022661 has 2 divisors, whose sum is σ = 7983022662. Its totient is φ = 7983022660.

The previous prime is 7983022631. The next prime is 7983022679. The reversal of 7983022661 is 1662203897.

7983022661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5154378436 + 2828644225 = 71794^2 + 53185^2 .

It is a cyclic number.

It is not a de Polignac number, because 7983022661 - 214 = 7983006277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7983022631) 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, 3991511330 + 3991511331.

It is an arithmetic number, because the mean of its divisors is an integer number (3991511331).

Almost surely, 27983022661 is an apocalyptic number.

It is an amenable number.

7983022661 is a deficient number, since it is larger than the sum of its proper divisors (1).

7983022661 is an equidigital number, since it uses as much as digits as its factorization.

7983022661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 7983022661 is about 89347.7624845748. The cubic root of 7983022661 is about 1998.5842197697.

The spelling of 7983022661 in words is "seven billion, nine hundred eighty-three million, twenty-two thousand, six hundred sixty-one".