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1340103513 = 3763814453
BaseRepresentation
bin100111111100000…
…0101101101011001
310110101122022102110
41033320011231121
510221031303023
6340551022533
745131456220
oct11770055531
93411568373
101340103513
116284a9671
1231496aa49
13184839978
14c9d9dcb7
157c9b2a93
hex4fe05b59

1340103513 has 8 divisors (see below), whose sum is σ = 2042062528. Its totient is φ = 765773424.

The previous prime is 1340103511. The next prime is 1340103517. The reversal of 1340103513 is 3153010431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1340103513 - 21 = 1340103511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 63814453 = 1340103513 / (1 + 3 + 4 + 0 + 1 + 0 + 3 + 5 + 1 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1340103513.

It is not an unprimeable number, because it can be changed into a prime (1340103511) 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 in 7 ways as a sum of consecutive naturals, for example, 31907206 + ... + 31907247.

It is an arithmetic number, because the mean of its divisors is an integer number (255257816).

Almost surely, 21340103513 is an apocalyptic number.

It is an amenable number.

1340103513 is a deficient number, since it is larger than the sum of its proper divisors (701959015).

1340103513 is an equidigital number, since it uses as much as digits as its factorization.

1340103513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63814463.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1340103513 is about 36607.4242879774. The cubic root of 1340103513 is about 1102.5021588699.

Adding to 1340103513 its reverse (3153010431), we get a palindrome (4493113944).

The spelling of 1340103513 in words is "one billion, three hundred forty million, one hundred three thousand, five hundred thirteen".

Divisors: 1 3 7 21 63814453 191443359 446701171 1340103513