Search a number
-
+
1151240471 is a prime number
BaseRepresentation
bin100010010011110…
…1000100100010111
32222020021002000222
41010213220210113
54324204143341
6310123024555
740346245133
oct10447504427
92866232028
101151240471
11540933007
1228166b15b
131546818a4
14acc7a3c3
156b10844b
hex449e8917

1151240471 has 2 divisors, whose sum is σ = 1151240472. Its totient is φ = 1151240470.

The previous prime is 1151240429. The next prime is 1151240477. The reversal of 1151240471 is 1740421511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1151240471 - 230 = 77498647 is a prime.

It is a super-3 number, since 3×11512404713 (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1151240471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151240477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575620235 + 575620236.

It is an arithmetic number, because the mean of its divisors is an integer number (575620236).

Almost surely, 21151240471 is an apocalyptic number.

1151240471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151240471 is an equidigital number, since it uses as much as digits as its factorization.

1151240471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 1151240471 is about 33929.9347332116. The cubic root of 1151240471 is about 1048.0661217216.

Adding to 1151240471 its reverse (1740421511), we get a palindrome (2891661982).

The spelling of 1151240471 in words is "one billion, one hundred fifty-one million, two hundred forty thousand, four hundred seventy-one".