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61883430353 is a prime number
BaseRepresentation
bin111001101000100010…
…100011010111010001
312220201202120222110222
4321220202203113101
52003214124232403
644232344402425
74320346323203
oct715042432721
9186652528428
1061883430353
1124276646178
12bbb0776415
135ab2a0bb14
142dd0a86773
151922c8b338
hexe688a35d1

61883430353 has 2 divisors, whose sum is σ = 61883430354. Its totient is φ = 61883430352.

The previous prime is 61883430313. The next prime is 61883430377. The reversal of 61883430353 is 35303438816.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32262266689 + 29621163664 = 179617^2 + 172108^2 .

It is a cyclic number.

It is not a de Polignac number, because 61883430353 - 26 = 61883430289 is a prime.

It is not a weakly prime, because it can be changed into another prime (61883430313) 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, 30941715176 + 30941715177.

It is an arithmetic number, because the mean of its divisors is an integer number (30941715177).

Almost surely, 261883430353 is an apocalyptic number.

It is an amenable number.

61883430353 is a deficient number, since it is larger than the sum of its proper divisors (1).

61883430353 is an equidigital number, since it uses as much as digits as its factorization.

61883430353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 61883430353 in words is "sixty-one billion, eight hundred eighty-three million, four hundred thirty thousand, three hundred fifty-three".