Search a number
-
+
1825386974471 is a prime number
BaseRepresentation
bin11010100100000001100…
…010101100110100000111
320110111122100122002110102
4122210001202230310013
5214401343031140341
63514323213514315
7245610535163624
oct32440142546407
96414570562412
101825386974471
116441623a5325
122559324a299b
131031969ac2a8
14644c62c934b
15327386b9c9b
hex1a9018acd07

1825386974471 has 2 divisors, whose sum is σ = 1825386974472. Its totient is φ = 1825386974470.

The previous prime is 1825386974431. The next prime is 1825386974501. The reversal of 1825386974471 is 1744796835281.

It is a strong prime.

It is an emirp because it is prime and its reverse (1744796835281) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1825386974471 - 210 = 1825386973447 is a prime.

It is a super-3 number, since 3×18253869744713 (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1825386974398 and 1825386974407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1825386974401) 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, 912693487235 + 912693487236.

It is an arithmetic number, because the mean of its divisors is an integer number (912693487236).

Almost surely, 21825386974471 is an apocalyptic number.

1825386974471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1825386974471 is an equidigital number, since it uses as much as digits as its factorization.

1825386974471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81285120, while the sum is 65.

The spelling of 1825386974471 in words is "one trillion, eight hundred twenty-five billion, three hundred eighty-six million, nine hundred seventy-four thousand, four hundred seventy-one".