Base | Representation |
---|---|
bin | 1001001010111011010… |
… | …11010010101000110001 |
3 | 1010010100011020000212211 |
4 | 10211131223102220301 |
5 | 20130313141222400 |
6 | 400431253252121 |
7 | 31523401603063 |
oct | 4453553225061 |
9 | 1103304200784 |
10 | 315104242225 |
11 | 1116a9148013 |
12 | 5109b934041 |
13 | 23939145346 |
14 | 1137313d733 |
15 | 82e3714dba |
hex | 495dad2a31 |
315104242225 has 48 divisors (see below), whose sum is σ = 418489643520. Its totient is φ = 234834969600.
The previous prime is 315104242183. The next prime is 315104242253. The reversal of 315104242225 is 522242401513.
It is a happy number.
It is not a de Polignac number, because 315104242225 - 215 = 315104209457 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7553274 + ... + 7594876.
It is an arithmetic number, because the mean of its divisors is an integer number (8718534240).
Almost surely, 2315104242225 is an apocalyptic number.
It is an amenable number.
315104242225 is a deficient number, since it is larger than the sum of its proper divisors (103385401295).
315104242225 is a wasteful number, since it uses less digits than its factorization.
315104242225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42010 (or 42005 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 31.
Adding to 315104242225 its reverse (522242401513), we get a palindrome (837346643738).
The spelling of 315104242225 in words is "three hundred fifteen billion, one hundred four million, two hundred forty-two thousand, two hundred twenty-five".
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