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7068507689 is a prime number
BaseRepresentation
bin1101001010101000…
…01101111000101001
3200020121122101200002
412211110031320221
5103434014221224
63125222352345
7340110216065
oct64524157051
920217571602
107068507689
112aa7a964a1
12145328b6b5
13888571439
144b0ab0aa5
152b584c9ae
hex1a550de29

7068507689 has 2 divisors, whose sum is σ = 7068507690. Its totient is φ = 7068507688.

The previous prime is 7068507671. The next prime is 7068507727. The reversal of 7068507689 is 9867058607.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6869923225 + 198584464 = 82885^2 + 14092^2 .

It is a cyclic number.

It is not a de Polignac number, because 7068507689 - 224 = 7051730473 is a prime.

It is not a weakly prime, because it can be changed into another prime (7068507629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3534253844 + 3534253845.

It is an arithmetic number, because the mean of its divisors is an integer number (3534253845).

Almost surely, 27068507689 is an apocalyptic number.

It is an amenable number.

7068507689 is a deficient number, since it is larger than the sum of its proper divisors (1).

7068507689 is an equidigital number, since it uses as much as digits as its factorization.

7068507689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The square root of 7068507689 is about 84074.4175656305. The cubic root of 7068507689 is about 1919.1514342849.

The spelling of 7068507689 in words is "seven billion, sixty-eight million, five hundred seven thousand, six hundred eighty-nine".