Base | Representation |
---|---|
bin | 10010110010000… |
… | …111000000101001 |
3 | 210221222001022222 |
4 | 102302013000221 |
5 | 1121133011201 |
6 | 51134123425 |
7 | 10544345054 |
oct | 2262070051 |
9 | 727861288 |
10 | 315125801 |
11 | 151975751 |
12 | 89650575 |
13 | 50395793 |
14 | 2dbcda9b |
15 | 1c9ea91b |
hex | 12c87029 |
315125801 has 8 divisors (see below), whose sum is σ = 322971264. Its totient is φ = 307303920.
The previous prime is 315125791. The next prime is 315125809. The reversal of 315125801 is 108521513.
It is a happy number.
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 315125801 - 222 = 310931497 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (315125809) 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, 22880 + ... + 33966.
It is an arithmetic number, because the mean of its divisors is an integer number (40371408).
Almost surely, 2315125801 is an apocalyptic number.
It is an amenable number.
315125801 is a deficient number, since it is larger than the sum of its proper divisors (7845463).
315125801 is a wasteful number, since it uses less digits than its factorization.
315125801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11791.
The product of its (nonzero) digits is 1200, while the sum is 26.
The square root of 315125801 is about 17751.7830372050. The cubic root of 315125801 is about 680.4997774863.
The spelling of 315125801 in words is "three hundred fifteen million, one hundred twenty-five thousand, eight hundred one".
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