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1303130657 is a prime number
BaseRepresentation
bin100110110101100…
…0011001000100001
310100211001220012102
41031223003020201
510132100140112
6333150340145
744202266513
oct11553031041
93324056172
101303130657
11609646394
123044ba655
13179c92c3a
14c50d7bb3
157960cbc2
hex4dac3221

1303130657 has 2 divisors, whose sum is σ = 1303130658. Its totient is φ = 1303130656.

The previous prime is 1303130641. The next prime is 1303130693. The reversal of 1303130657 is 7560313031.

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., 799532176 + 503598481 = 28276^2 + 22441^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303130657 - 24 = 1303130641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1303132657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651565328 + 651565329.

It is an arithmetic number, because the mean of its divisors is an integer number (651565329).

Almost surely, 21303130657 is an apocalyptic number.

It is an amenable number.

1303130657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303130657 is an equidigital number, since it uses as much as digits as its factorization.

1303130657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 1303130657 is about 36098.9010497550. The cubic root of 1303130657 is about 1092.2682773367.

Adding to 1303130657 its reverse (7560313031), we get a palindrome (8863443688).

The spelling of 1303130657 in words is "one billion, three hundred three million, one hundred thirty thousand, six hundred fifty-seven".