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1305314669 is a prime number
BaseRepresentation
bin100110111001101…
…1000010101101101
310100222011212002202
41031303120111231
510133130032134
6333305231245
744226664061
oct11563302555
93328155082
101305314669
1160a8a825a
12305192525
1317a579059
14c5505aa1
15798ded7e
hex4dcd856d

1305314669 has 2 divisors, whose sum is σ = 1305314670. Its totient is φ = 1305314668.

The previous prime is 1305314657. The next prime is 1305314683. The reversal of 1305314669 is 9664135031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 662032900 + 643281769 = 25730^2 + 25363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1305314669 is a prime.

It is a super-2 number, since 2×13053146692 = 3407692770213159122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1305314609) 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, 652657334 + 652657335.

It is an arithmetic number, because the mean of its divisors is an integer number (652657335).

Almost surely, 21305314669 is an apocalyptic number.

It is an amenable number.

1305314669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305314669 is an equidigital number, since it uses as much as digits as its factorization.

1305314669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 1305314669 is about 36129.1387802145. The cubic root of 1305314669 is about 1092.8781408625.

The spelling of 1305314669 in words is "one billion, three hundred five million, three hundred fourteen thousand, six hundred sixty-nine".