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260112191 is a prime number
BaseRepresentation
bin11111000000011…
…11111100111111
3200010110001211212
433200033330333
51013042042231
641451035035
76305626403
oct1740177477
9603401755
10260112191
11123910159
127313ba7b
1341b73351
142678d103
1517c8042b
hexf80ff3f

260112191 has 2 divisors, whose sum is σ = 260112192. Its totient is φ = 260112190.

The previous prime is 260112187. The next prime is 260112211. The reversal of 260112191 is 191211062.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260112191 - 22 = 260112187 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260112691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130056095 + 130056096.

It is an arithmetic number, because the mean of its divisors is an integer number (130056096).

Almost surely, 2260112191 is an apocalyptic number.

260112191 is a deficient number, since it is larger than the sum of its proper divisors (1).

260112191 is an equidigital number, since it uses as much as digits as its factorization.

260112191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 260112191 is about 16127.9940166160. The cubic root of 260112191 is about 638.3422191899.

The spelling of 260112191 in words is "two hundred sixty million, one hundred twelve thousand, one hundred ninety-one".