Base | Representation |
---|---|
bin | 10010110010000… |
… | …101111010010101 |
3 | 210221221211011022 |
4 | 102302011322111 |
5 | 1121132340201 |
6 | 51134050525 |
7 | 10544325665 |
oct | 2262057225 |
9 | 727854138 |
10 | 315121301 |
11 | 151972330 |
12 | 89649a45 |
13 | 50393711 |
14 | 2dbcc1a5 |
15 | 1c9e941b |
hex | 12c85e95 |
315121301 has 16 divisors (see below), whose sum is σ = 354862080. Its totient is φ = 277376880.
The previous prime is 315121259. The next prime is 315121307. The reversal of 315121301 is 103121513.
It is not a de Polignac number, because 315121301 - 210 = 315120277 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 315121301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315121307) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39860 + ... + 47106.
It is an arithmetic number, because the mean of its divisors is an integer number (22178880).
Almost surely, 2315121301 is an apocalyptic number.
It is an amenable number.
315121301 is a deficient number, since it is larger than the sum of its proper divisors (39740779).
315121301 is a wasteful number, since it uses less digits than its factorization.
315121301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7384.
The product of its (nonzero) digits is 90, while the sum is 17.
The square root of 315121301 is about 17751.6562889213. The cubic root of 315121301 is about 680.4965382894.
Adding to 315121301 its reverse (103121513), we get a palindrome (418242814).
The spelling of 315121301 in words is "three hundred fifteen million, one hundred twenty-one thousand, three hundred one".
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