Search a number
-
+
128964804413 is a prime number
BaseRepresentation
bin111100000011011100…
…1101011111100111101
3110022212210000212020112
41320012321223330331
54103104442220123
6135125015155405
712213603515264
oct1700671537475
9408783025215
10128964804413
114a76a2a7395
1220bb2075b65
13c213593873
146355bd95db
15354c02dd78
hex1e06e6bf3d

128964804413 has 2 divisors, whose sum is σ = 128964804414. Its totient is φ = 128964804412.

The previous prime is 128964804389. The next prime is 128964804433. The reversal of 128964804413 is 314408469821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115781631289 + 13183173124 = 340267^2 + 114818^2 .

It is a cyclic number.

It is not a de Polignac number, because 128964804413 - 212 = 128964800317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128964804433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64482402206 + 64482402207.

It is an arithmetic number, because the mean of its divisors is an integer number (64482402207).

Almost surely, 2128964804413 is an apocalyptic number.

It is an amenable number.

128964804413 is a deficient number, since it is larger than the sum of its proper divisors (1).

128964804413 is an equidigital number, since it uses as much as digits as its factorization.

128964804413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 50.

The spelling of 128964804413 in words is "one hundred twenty-eight billion, nine hundred sixty-four million, eight hundred four thousand, four hundred thirteen".