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287368680197 is a prime number
BaseRepresentation
bin1000010111010001000…
…00100001001100000101
31000110202012212111102202
410023220200201030011
514202012340231242
6340003152044245
726522156323154
oct4135040411405
91013665774382
10287368680197
11100966145825
124783b233685
1321138c53891
14dca174759b
15771d7d5932
hex42e8821305

287368680197 has 2 divisors, whose sum is σ = 287368680198. Its totient is φ = 287368680196.

The previous prime is 287368680167. The next prime is 287368680211. The reversal of 287368680197 is 791086863782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286595339716 + 773340481 = 535346^2 + 27809^2 .

It is a cyclic number.

It is not a de Polignac number, because 287368680197 - 222 = 287364485893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (287368680107) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143684340098 + 143684340099.

It is an arithmetic number, because the mean of its divisors is an integer number (143684340099).

Almost surely, 2287368680197 is an apocalyptic number.

It is an amenable number.

287368680197 is a deficient number, since it is larger than the sum of its proper divisors (1).

287368680197 is an equidigital number, since it uses as much as digits as its factorization.

287368680197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48771072, while the sum is 65.

The spelling of 287368680197 in words is "two hundred eighty-seven billion, three hundred sixty-eight million, six hundred eighty thousand, one hundred ninety-seven".