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7680581416853 is a prime number
BaseRepresentation
bin110111111000100011001…
…0100111011011110010101
31000012020220220222010211222
41233301012110323132111
52001314312320314403
624200224351140125
71421621652600542
oct157610624733625
930166826863758
107680581416853
1124a1352a83014
12a4066b214645
134393779aac87
141c7a56561bc9
15d4bc9ad7338
hex6fc4653b795

7680581416853 has 2 divisors, whose sum is σ = 7680581416854. Its totient is φ = 7680581416852.

The previous prime is 7680581416801. The next prime is 7680581416873. The reversal of 7680581416853 is 3586141850867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5119435688689 + 2561145728164 = 2262617^2 + 1600358^2 .

It is a cyclic number.

It is not a de Polignac number, because 7680581416853 - 220 = 7680580368277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7680581416873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3840290708426 + 3840290708427.

It is an arithmetic number, because the mean of its divisors is an integer number (3840290708427).

Almost surely, 27680581416853 is an apocalyptic number.

It is an amenable number.

7680581416853 is a deficient number, since it is larger than the sum of its proper divisors (1).

7680581416853 is an equidigital number, since it uses as much as digits as its factorization.

7680581416853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38707200, while the sum is 62.

The spelling of 7680581416853 in words is "seven trillion, six hundred eighty billion, five hundred eighty-one million, four hundred sixteen thousand, eight hundred fifty-three".