Base | Representation |
---|---|
bin | 100111001100111… |
… | …1001010100011001 |
3 | 10101200011210222021 |
4 | 1032121321110121 |
5 | 10143221124400 |
6 | 334305454441 |
7 | 44411545102 |
oct | 11631712431 |
9 | 3350153867 |
10 | 1315411225 |
11 | 615573a17 |
12 | 308641421 |
13 | 17c6a284b |
14 | c69b33a9 |
15 | 7a73671a |
hex | 4e679519 |
1315411225 has 12 divisors (see below), whose sum is σ = 1651759360. Its totient is φ = 1039006800.
The previous prime is 1315411199. The next prime is 1315411247. The reversal of 1315411225 is 5221145131.
It is not a de Polignac number, because 1315411225 - 29 = 1315410713 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 1315411225.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331041 + ... + 334990.
Almost surely, 21315411225 is an apocalyptic number.
It is an amenable number.
1315411225 is a deficient number, since it is larger than the sum of its proper divisors (336348135).
1315411225 is an equidigital number, since it uses as much as digits as its factorization.
1315411225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 666120 (or 666115 counting only the distinct ones).
The product of its digits is 1200, while the sum is 25.
The square root of 1315411225 is about 36268.5983324418. The cubic root of 1315411225 is about 1095.6886961184.
Adding to 1315411225 its reverse (5221145131), we get a palindrome (6536556356).
The spelling of 1315411225 in words is "one billion, three hundred fifteen million, four hundred eleven thousand, two hundred twenty-five".
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