Base | Representation |
---|---|
bin | 100111001101000… |
… | …1000000001000001 |
3 | 10101200021212112220 |
4 | 1032122020001001 |
5 | 10143230041200 |
6 | 334311041253 |
7 | 44412215442 |
oct | 11632100101 |
9 | 3350255486 |
10 | 1315471425 |
11 | 615605174 |
12 | 308670229 |
13 | 17c6c4078 |
14 | c69cb2c9 |
15 | 7a7494a0 |
hex | 4e688041 |
1315471425 has 24 divisors (see below), whose sum is σ = 2184693504. Its totient is φ = 698429760.
The previous prime is 1315471411. The next prime is 1315471439. The reversal of 1315471425 is 5241745131.
It is an interprime number because it is at equal distance from previous prime (1315471411) and next prime (1315471439).
It is not a de Polignac number, because 1315471425 - 218 = 1315209281 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22602 + ... + 56051.
It is an arithmetic number, because the mean of its divisors is an integer number (91028896).
Almost surely, 21315471425 is an apocalyptic number.
1315471425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1315471425 is a deficient number, since it is larger than the sum of its proper divisors (869222079).
1315471425 is a wasteful number, since it uses less digits than its factorization.
1315471425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78889 (or 78884 counting only the distinct ones).
The product of its digits is 16800, while the sum is 33.
The square root of 1315471425 is about 36269.4282419781. The cubic root of 1315471425 is about 1095.7054106515.
The spelling of 1315471425 in words is "one billion, three hundred fifteen million, four hundred seventy-one thousand, four hundred twenty-five".
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