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1069428617 is a prime number
BaseRepresentation
bin111111101111100…
…010111110001001
32202112022121021022
4333233202332021
54142233203432
6254041322225
735333664455
oct7757427611
92675277238
101069428617
114a9734604
1225a196375
131407388ca
14a2061665
1563d47b12
hex3fbe2f89

1069428617 has 2 divisors, whose sum is σ = 1069428618. Its totient is φ = 1069428616.

The previous prime is 1069428559. The next prime is 1069428629. The reversal of 1069428617 is 7168249601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 829209616 + 240219001 = 28796^2 + 15499^2 .

It is a cyclic number.

It is not a de Polignac number, because 1069428617 - 218 = 1069166473 is a prime.

It is a super-3 number, since 3×10694286173 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1069428697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534714308 + 534714309.

It is an arithmetic number, because the mean of its divisors is an integer number (534714309).

Almost surely, 21069428617 is an apocalyptic number.

It is an amenable number.

1069428617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069428617 is an equidigital number, since it uses as much as digits as its factorization.

1069428617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1069428617 is about 32702.1194573074. The cubic root of 1069428617 is about 1022.6270283735.

The spelling of 1069428617 in words is "one billion, sixty-nine million, four hundred twenty-eight thousand, six hundred seventeen".