Base | Representation |
---|---|
bin | 1001001010111100000… |
… | …10011100010001110001 |
3 | 1010010100120122100201012 |
4 | 10211132002130101301 |
5 | 20130321214423100 |
6 | 400432031320305 |
7 | 31523504310266 |
oct | 4453602342161 |
9 | 1103316570635 |
10 | 315110311025 |
11 | 111701612654 |
12 | 510a1980095 |
13 | 2393a48b753 |
14 | 11373c7d26d |
15 | 82e4013135 |
hex | 495e09c471 |
315110311025 has 12 divisors (see below), whose sum is σ = 390784136652. Its totient is φ = 252057699840.
The previous prime is 315110310961. The next prime is 315110311049. The reversal of 315110311025 is 520113011513.
It can be written as a sum of positive squares in 6 ways, for example, as 5880895969 + 309229415056 = 76687^2 + 556084^2 .
It is not a de Polignac number, because 315110311025 - 26 = 315110310961 is a prime.
It is a super-2 number, since 2×3151103110252 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 552152 + ... + 967001.
It is an arithmetic number, because the mean of its divisors is an integer number (32565344721).
Almost surely, 2315110311025 is an apocalyptic number.
It is an amenable number.
315110311025 is a deficient number, since it is larger than the sum of its proper divisors (75673825627).
315110311025 is a wasteful number, since it uses less digits than its factorization.
315110311025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1527460 (or 1527455 counting only the distinct ones).
The product of its (nonzero) digits is 450, while the sum is 23.
Adding to 315110311025 its reverse (520113011513), we get a palindrome (835223322538).
The spelling of 315110311025 in words is "three hundred fifteen billion, one hundred ten million, three hundred eleven thousand, twenty-five".
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