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61964331753983 is a prime number
BaseRepresentation
bin11100001011011001100011…
…11110111010000111111111
322010101201202211010201210112
432011230301332322013333
531110210422412111413
6335442004313100235
716023526622361161
oct1605546176720777
9263351684121715
1061964331753983
111881aa1a96081a
126b491293b767b
132876299619c39
14114313804a931
15726c7b5012a8
hex385b31fba1ff

61964331753983 has 2 divisors, whose sum is σ = 61964331753984. Its totient is φ = 61964331753982.

The previous prime is 61964331753917. The next prime is 61964331753997. The reversal of 61964331753983 is 38935713346916.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61964331753983 - 216 = 61964331688447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61964331753283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30982165876991 + 30982165876992.

It is an arithmetic number, because the mean of its divisors is an integer number (30982165876992).

Almost surely, 261964331753983 is an apocalyptic number.

61964331753983 is a deficient number, since it is larger than the sum of its proper divisors (1).

61964331753983 is an equidigital number, since it uses as much as digits as its factorization.

61964331753983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264539520, while the sum is 68.

The spelling of 61964331753983 in words is "sixty-one trillion, nine hundred sixty-four billion, three hundred thirty-one million, seven hundred fifty-three thousand, nine hundred eighty-three".