Search a number
-
+
19408920241 is a prime number
BaseRepresentation
bin10010000100110111…
…001001111010110001
31212002122022022020211
4102010313021322301
5304222140421431
612525532304121
71254654046204
oct220467117261
955078268224
1019408920241
11825a914057
123918012041
131aa40b32b9
14d219c193b
15788e112b1
hex484dc9eb1

19408920241 has 2 divisors, whose sum is σ = 19408920242. Its totient is φ = 19408920240.

The previous prime is 19408920229. The next prime is 19408920253. The reversal of 19408920241 is 14202980491.

It is a balanced prime because it is at equal distance from previous prime (19408920229) and next prime (19408920253).

It can be written as a sum of positive squares in only one way, i.e., 19174217841 + 234702400 = 138471^2 + 15320^2 .

It is a cyclic number.

It is not a de Polignac number, because 19408920241 - 221 = 19406823089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19408920194 and 19408920203.

It is not a weakly prime, because it can be changed into another prime (19408920211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9704460120 + 9704460121.

It is an arithmetic number, because the mean of its divisors is an integer number (9704460121).

Almost surely, 219408920241 is an apocalyptic number.

It is an amenable number.

19408920241 is a deficient number, since it is larger than the sum of its proper divisors (1).

19408920241 is an equidigital number, since it uses as much as digits as its factorization.

19408920241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 19408920241 in words is "nineteen billion, four hundred eight million, nine hundred twenty thousand, two hundred forty-one".