Search a number
-
+
1343013017 = 13177101921
BaseRepresentation
bin101000000001100…
…1100000010011001
310110121010010111212
41100003030002121
510222302404032
6341133232505
745165264563
oct12003140231
93417103455
101343013017
1162a106615
12315932735
13185318078
14ca51a333
157cd89bb2
hex500cc099

1343013017 has 4 divisors (see below), whose sum is σ = 1343128116. Its totient is φ = 1342897920.

The previous prime is 1343012981. The next prime is 1343013019. The reversal of 1343013017 is 7103103431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7103103431 = 19373847549.

It can be written as a sum of positive squares in 2 ways, for example, as 323424256 + 1019588761 = 17984^2 + 31931^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343013017 - 212 = 1343008921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1343012983 and 1343013001.

It is not an unprimeable number, because it can be changed into a prime (1343013019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37784 + ... + 64137.

It is an arithmetic number, because the mean of its divisors is an integer number (335782029).

Almost surely, 21343013017 is an apocalyptic number.

It is an amenable number.

1343013017 is a deficient number, since it is larger than the sum of its proper divisors (115099).

1343013017 is a wasteful number, since it uses less digits than its factorization.

1343013017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115098.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 1343013017 is about 36647.1420031631. The cubic root of 1343013017 is about 1103.2994643926.

Adding to 1343013017 its reverse (7103103431), we get a palindrome (8446116448).

The spelling of 1343013017 in words is "one billion, three hundred forty-three million, thirteen thousand, seventeen".

Divisors: 1 13177 101921 1343013017