Search a number
-
+
30789574433 is a prime number
BaseRepresentation
bin11100101011001100…
…111001111100100001
32221110210000102212122
4130223030321330201
51001024112340213
622051115234025
72136665031062
oct345314717441
987423012778
1030789574433
111206aa03a92
125b73448915
132b98b377c7
1416c125c569
15c030e1d08
hex72b339f21

30789574433 has 2 divisors, whose sum is σ = 30789574434. Its totient is φ = 30789574432.

The previous prime is 30789574393. The next prime is 30789574441. The reversal of 30789574433 is 33447598703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29457543424 + 1332031009 = 171632^2 + 36497^2 .

It is a cyclic number.

It is not a de Polignac number, because 30789574433 - 212 = 30789570337 is a prime.

It is not a weakly prime, because it can be changed into another prime (30789574493) 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, 15394787216 + 15394787217.

It is an arithmetic number, because the mean of its divisors is an integer number (15394787217).

Almost surely, 230789574433 is an apocalyptic number.

It is an amenable number.

30789574433 is a deficient number, since it is larger than the sum of its proper divisors (1).

30789574433 is an equidigital number, since it uses as much as digits as its factorization.

30789574433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 53.

The spelling of 30789574433 in words is "thirty billion, seven hundred eighty-nine million, five hundred seventy-four thousand, four hundred thirty-three".