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127845103097 is a prime number
BaseRepresentation
bin111011100010000101…
…0010111010111111001
3110012222202010010210102
41313010022113113321
54043311321244342
6134421540125145
712144056306045
oct1670412272771
9405882103712
10127845103097
114a2452561a8
122093b0967b5
13c0956056ca
14628b20d025
1534d3aa5832
hex1dc42975f9

127845103097 has 2 divisors, whose sum is σ = 127845103098. Its totient is φ = 127845103096.

The previous prime is 127845103037. The next prime is 127845103147. The reversal of 127845103097 is 790301548721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91457251561 + 36387851536 = 302419^2 + 190756^2 .

It is an emirp because it is prime and its reverse (790301548721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127845103097 - 230 = 126771361273 is a prime.

It is not a weakly prime, because it can be changed into another prime (127845103037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63922551548 + 63922551549.

It is an arithmetic number, because the mean of its divisors is an integer number (63922551549).

Almost surely, 2127845103097 is an apocalyptic number.

It is an amenable number.

127845103097 is a deficient number, since it is larger than the sum of its proper divisors (1).

127845103097 is an equidigital number, since it uses as much as digits as its factorization.

127845103097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 127845103097 in words is "one hundred twenty-seven billion, eight hundred forty-five million, one hundred three thousand, ninety-seven".