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2660363317 is a prime number
BaseRepresentation
bin1001111010010001…
…1110110000110101
320212101221110101201
42132210132300311
520422023111232
61115552452501
7122632500163
oct23644366065
96771843351
102660363317
111145784377
12622b4a131
133352193a1
141b3476233
15108855be7
hex9e91ec35

2660363317 has 2 divisors, whose sum is σ = 2660363318. Its totient is φ = 2660363316.

The previous prime is 2660363311. The next prime is 2660363339. The reversal of 2660363317 is 7133630662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2626152516 + 34210801 = 51246^2 + 5849^2 .

It is a cyclic number.

It is not a de Polignac number, because 2660363317 - 215 = 2660330549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2660363311) 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, 1330181658 + 1330181659.

It is an arithmetic number, because the mean of its divisors is an integer number (1330181659).

Almost surely, 22660363317 is an apocalyptic number.

It is an amenable number.

2660363317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660363317 is an equidigital number, since it uses as much as digits as its factorization.

2660363317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 37.

The square root of 2660363317 is about 51578.7099198885. The cubic root of 2660363317 is about 1385.6290620302.

Adding to 2660363317 its reverse (7133630662), we get a palindrome (9793993979).

The spelling of 2660363317 in words is "two billion, six hundred sixty million, three hundred sixty-three thousand, three hundred seventeen".