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80199853 is a prime number
BaseRepresentation
bin1001100011111…
…00000010101101
312120220120111221
410301330002231
5131012343403
611542543341
71662454546
oct461740255
9176816457
1080199853
11412a8378
1222a37b51
1313800346
14a9194cd
157092dbd
hex4c7c0ad

80199853 has 2 divisors, whose sum is σ = 80199854. Its totient is φ = 80199852.

The previous prime is 80199809. The next prime is 80199857. The reversal of 80199853 is 35899108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73324969 + 6874884 = 8563^2 + 2622^2 .

It is a cyclic number.

It is not a de Polignac number, because 80199853 - 29 = 80199341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80199857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40099926 + 40099927.

It is an arithmetic number, because the mean of its divisors is an integer number (40099927).

Almost surely, 280199853 is an apocalyptic number.

It is an amenable number.

80199853 is a deficient number, since it is larger than the sum of its proper divisors (1).

80199853 is an equidigital number, since it uses as much as digits as its factorization.

80199853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 80199853 is about 8955.4370635944. The cubic root of 80199853 is about 431.2454481631.

The spelling of 80199853 in words is "eighty million, one hundred ninety-nine thousand, eight hundred fifty-three".