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1315421314 = 21489441713
BaseRepresentation
bin100111001100111…
…1011110010000010
310101200012022210221
41032121323302002
510143221440224
6334310013254
744411616364
oct11631736202
93350168727
101315421314
11615580559
1230864722a
1317c6a730c
14c69b6d34
157a7396e4
hex4e67bc82

1315421314 has 8 divisors (see below), whose sum is σ = 1974461580. Its totient is φ = 657267456.

The previous prime is 1315421297. The next prime is 1315421339. The reversal of 1315421314 is 4131245131.

It can be written as a sum of positive squares in 2 ways, for example, as 1315295289 + 126025 = 36267^2 + 355^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217879 + ... + 223834.

Almost surely, 21315421314 is an apocalyptic number.

1315421314 is a deficient number, since it is larger than the sum of its proper divisors (659040266).

1315421314 is a wasteful number, since it uses less digits than its factorization.

1315421314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443204.

The product of its digits is 1440, while the sum is 25.

The square root of 1315421314 is about 36268.7374194360. The cubic root of 1315421314 is about 1095.6914973654.

Adding to 1315421314 its reverse (4131245131), we get a palindrome (5446666445).

The spelling of 1315421314 in words is "one billion, three hundred fifteen million, four hundred twenty-one thousand, three hundred fourteen".

Divisors: 1 2 1489 2978 441713 883426 657710657 1315421314