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196800881 is a prime number
BaseRepresentation
bin10111011101011…
…11000101110001
3111201022112001112
423232233011301
5400340112011
631310043105
74606531334
oct1356570561
9451275045
10196800881
11a10a8462
1255aa9495
1331a07134
141c1cc61b
151242658b
hexbbaf171

196800881 has 2 divisors, whose sum is σ = 196800882. Its totient is φ = 196800880.

The previous prime is 196800871. The next prime is 196800889. The reversal of 196800881 is 188008691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127328656 + 69472225 = 11284^2 + 8335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-196800881 is a prime.

It is a super-2 number, since 2×1968008812 = 77461173524752322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (196800889) 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, 98400440 + 98400441.

It is an arithmetic number, because the mean of its divisors is an integer number (98400441).

Almost surely, 2196800881 is an apocalyptic number.

It is an amenable number.

196800881 is a deficient number, since it is larger than the sum of its proper divisors (1).

196800881 is an equidigital number, since it uses as much as digits as its factorization.

196800881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 41.

The square root of 196800881 is about 14028.5737336338. The cubic root of 196800881 is about 581.6686794875.

The spelling of 196800881 in words is "one hundred ninety-six million, eight hundred thousand, eight hundred eighty-one".