Search a number
-
+
1314788513 = 5412430293
BaseRepresentation
bin100111001011110…
…0001010010100001
310101122000011202212
41032113201102201
510143041213023
6334244251505
744403342443
oct11627412241
93348004685
101314788513
11615189085
123083a0b95
1317c51528c
14c6890493
157a661e78
hex4e5e14a1

1314788513 has 4 divisors (see below), whose sum is σ = 1317219348. Its totient is φ = 1312357680.

The previous prime is 1314788417. The next prime is 1314788611. The reversal of 1314788513 is 3158874131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 325874704 + 988913809 = 18052^2 + 31447^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314788513 - 226 = 1247679649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1314785513) 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, 1214606 + ... + 1215687.

It is an arithmetic number, because the mean of its divisors is an integer number (329304837).

Almost surely, 21314788513 is an apocalyptic number.

It is an amenable number.

1314788513 is a deficient number, since it is larger than the sum of its proper divisors (2430835).

1314788513 is an equidigital number, since it uses as much as digits as its factorization.

1314788513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430834.

The product of its digits is 80640, while the sum is 41.

The square root of 1314788513 is about 36260.0125896283. The cubic root of 1314788513 is about 1095.5157701718.

The spelling of 1314788513 in words is "one billion, three hundred fourteen million, seven hundred eighty-eight thousand, five hundred thirteen".

Divisors: 1 541 2430293 1314788513