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7945980529 is a prime number
BaseRepresentation
bin1110110011001111…
…00000101001110001
3202111202202122010011
413121213200221301
5112233132334104
63352245534521
7400623501664
oct73147405161
922452678104
107945980529
113408331863
121659114441
139982ab336
145554456db
153178c9904
hex1d99e0a71

7945980529 has 2 divisors, whose sum is σ = 7945980530. Its totient is φ = 7945980528.

The previous prime is 7945980521. The next prime is 7945980563. The reversal of 7945980529 is 9250895497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4778542129 + 3167438400 = 69127^2 + 56280^2 .

It is a cyclic number.

It is not a de Polignac number, because 7945980529 - 23 = 7945980521 is a prime.

It is not a weakly prime, because it can be changed into another prime (7945980521) 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, 3972990264 + 3972990265.

It is an arithmetic number, because the mean of its divisors is an integer number (3972990265).

Almost surely, 27945980529 is an apocalyptic number.

It is an amenable number.

7945980529 is a deficient number, since it is larger than the sum of its proper divisors (1).

7945980529 is an equidigital number, since it uses as much as digits as its factorization.

7945980529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8164800, while the sum is 58.

The square root of 7945980529 is about 89140.2295767741. The cubic root of 7945980529 is about 1995.4882069319.

The spelling of 7945980529 in words is "seven billion, nine hundred forty-five million, nine hundred eighty thousand, five hundred twenty-nine".