Base | Representation |
---|---|
bin | 10010110010001… |
… | …000000101011001 |
3 | 210221222021100221 |
4 | 102302020011121 |
5 | 1121133131301 |
6 | 51134200041 |
7 | 10544363641 |
oct | 2262100531 |
9 | 727867327 |
10 | 315130201 |
11 | 151978a91 |
12 | 89653021 |
13 | 50397799 |
14 | 2dbd1521 |
15 | 1c9ebda1 |
hex | 12c88159 |
315130201 has 8 divisors (see below), whose sum is σ = 319005000. Its totient is φ = 311270400.
The previous prime is 315130171. The next prime is 315130213. The reversal of 315130201 is 102031513.
It can be written as a sum of positive squares in 4 ways, for example, as 209554576 + 105575625 = 14476^2 + 10275^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 315130201 - 211 = 315128153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (315130901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41875 + ... + 48823.
It is an arithmetic number, because the mean of its divisors is an integer number (39875625).
Almost surely, 2315130201 is an apocalyptic number.
It is an amenable number.
315130201 is a deficient number, since it is larger than the sum of its proper divisors (3874799).
315130201 is a wasteful number, since it uses less digits than its factorization.
315130201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7499.
The product of its (nonzero) digits is 90, while the sum is 16.
The square root of 315130201 is about 17751.9069679852. The cubic root of 315130201 is about 680.5029446713.
Adding to 315130201 its reverse (102031513), we get a palindrome (417161714).
The spelling of 315130201 in words is "three hundred fifteen million, one hundred thirty thousand, two hundred one".
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