Base | Representation |
---|---|
bin | 10010110010010… |
… | …000000111100001 |
3 | 210222000221111121 |
4 | 102302100013201 |
5 | 1121140204410 |
6 | 51135012241 |
7 | 10544561605 |
oct | 2262200741 |
9 | 728027447 |
10 | 315163105 |
11 | 1519a0784 |
12 | 8966a081 |
13 | 503a975a |
14 | 2dbdd505 |
15 | 1ca069da |
hex | 12c901e1 |
315163105 has 16 divisors (see below), whose sum is σ = 388083024. Its totient is φ = 245560320.
The previous prime is 315163103. The next prime is 315163117. The reversal of 315163105 is 501361513.
It can be written as a sum of positive squares in 8 ways, for example, as 65270241 + 249892864 = 8079^2 + 15808^2 .
It is not a de Polignac number, because 315163105 - 21 = 315163103 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 315163105.
It is not an unprimeable number, because it can be changed into a prime (315163103) 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 15 ways as a sum of consecutive naturals, for example, 178909 + ... + 180661.
It is an arithmetic number, because the mean of its divisors is an integer number (24255189).
Almost surely, 2315163105 is an apocalyptic number.
It is an amenable number.
315163105 is a deficient number, since it is larger than the sum of its proper divisors (72919919).
315163105 is a wasteful number, since it uses less digits than its factorization.
315163105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2676.
The product of its (nonzero) digits is 1350, while the sum is 25.
The square root of 315163105 is about 17752.8337174661. The cubic root of 315163105 is about 680.5266285217.
The spelling of 315163105 in words is "three hundred fifteen million, one hundred sixty-three thousand, one hundred five".
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