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1300055641 is a prime number
BaseRepresentation
bin100110101111101…
…0100011001011001
310100121021200001221
41031133110121121
510130303240031
6333000412041
744134201453
oct11537243131
93317250057
101300055641
11607936055
12303477021
131794573c1
14c49372d3
1579201a11
hex4d7d4659

1300055641 has 2 divisors, whose sum is σ = 1300055642. Its totient is φ = 1300055640.

The previous prime is 1300055633. The next prime is 1300055681. The reversal of 1300055641 is 1465500031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1194048025 + 106007616 = 34555^2 + 10296^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300055641 - 23 = 1300055633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1300055681) 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, 650027820 + 650027821.

It is an arithmetic number, because the mean of its divisors is an integer number (650027821).

Almost surely, 21300055641 is an apocalyptic number.

It is an amenable number.

1300055641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300055641 is an equidigital number, since it uses as much as digits as its factorization.

1300055641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1300055641 is about 36056.2843482242. The cubic root of 1300055641 is about 1091.4084536573.

Adding to 1300055641 its reverse (1465500031), we get a palindrome (2765555672).

The spelling of 1300055641 in words is "one billion, three hundred million, fifty-five thousand, six hundred forty-one".