Search a number
-
+
128196799219 is a prime number
BaseRepresentation
bin111011101100100011…
…1111110101011110011
3110020220020220011011201
41313121013332223303
54100021340033334
6134520502152031
712155556546136
oct1673107765363
9406806804151
10128196799219
114a405829755
1220a18a22617
13c120433918
1462c1bdc21d
1535048c6c14
hex1dd91feaf3

128196799219 has 2 divisors, whose sum is σ = 128196799220. Its totient is φ = 128196799218.

The previous prime is 128196799153. The next prime is 128196799271. The reversal of 128196799219 is 912997691821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128196799219 - 217 = 128196668147 is a prime.

It is a super-2 number, since 2×1281967992192 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (128196799279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64098399609 + 64098399610.

It is an arithmetic number, because the mean of its divisors is an integer number (64098399610).

Almost surely, 2128196799219 is an apocalyptic number.

128196799219 is a deficient number, since it is larger than the sum of its proper divisors (1).

128196799219 is an equidigital number, since it uses as much as digits as its factorization.

128196799219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8817984, while the sum is 64.

The spelling of 128196799219 in words is "one hundred twenty-eight billion, one hundred ninety-six million, seven hundred ninety-nine thousand, two hundred nineteen".