Base | Representation |
---|---|
bin | 1001001010110001111… |
… | …01000111110100000101 |
3 | 1010010010122011122200201 |
4 | 10211120331013310011 |
5 | 20130132401433110 |
6 | 400415343410501 |
7 | 31521420401611 |
oct | 4453075076405 |
9 | 1103118148621 |
10 | 315025030405 |
11 | 111668464aa8 |
12 | 510792b3a31 |
13 | 239258cc947 |
14 | 11366800341 |
15 | 82db7b9b3a |
hex | 4958f47d05 |
315025030405 has 24 divisors (see below), whose sum is σ = 397238925600. Its totient is φ = 239756395680.
The previous prime is 315025030403. The next prime is 315025030417. The reversal of 315025030405 is 504030520513.
It is not a de Polignac number, because 315025030405 - 21 = 315025030403 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315025030403) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 272115 + ... + 839104.
It is an arithmetic number, because the mean of its divisors is an integer number (16551621900).
Almost surely, 2315025030405 is an apocalyptic number.
It is an amenable number.
315025030405 is a deficient number, since it is larger than the sum of its proper divisors (82213895195).
315025030405 is a wasteful number, since it uses less digits than its factorization.
315025030405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1111345 (or 1111314 counting only the distinct ones).
The product of its (nonzero) digits is 9000, while the sum is 28.
Adding to 315025030405 its reverse (504030520513), we get a palindrome (819055550918).
The spelling of 315025030405 in words is "three hundred fifteen billion, twenty-five million, thirty thousand, four hundred five".
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