Base | Representation |
---|---|
bin | 1001000101010101010… |
… | …00001101100001110011 |
3 | 1002211120210210121221101 |
4 | 10202222220031201303 |
5 | 20103140140010303 |
6 | 355213224505231 |
7 | 31356064614400 |
oct | 4425250154163 |
9 | 1084523717841 |
10 | 312100313203 |
11 | 1103a7543748 |
12 | 505a191b217 |
13 | 2357a9b6653 |
14 | 1116a1d32a7 |
15 | 81b9b46d1d |
hex | 48aaa0d873 |
312100313203 has 12 divisors (see below), whose sum is σ = 369208952280. Its totient is φ = 262980406752.
The previous prime is 312100313191. The next prime is 312100313219. The reversal of 312100313203 is 302313001213.
It is not a de Polignac number, because 312100313203 - 229 = 311563442291 is a prime.
It is a super-2 number, since 2×3121003132032 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (312100311203) by changing a digit.
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, 53975026 + ... + 53980807.
It is an arithmetic number, because the mean of its divisors is an integer number (30767412690).
Almost surely, 2312100313203 is an apocalyptic number.
312100313203 is a deficient number, since it is larger than the sum of its proper divisors (57108639077).
312100313203 is a wasteful number, since it uses less digits than its factorization.
312100313203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107955906 (or 107955899 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 312100313203 its reverse (302313001213), we get a palindrome (614413314416).
The spelling of 312100313203 in words is "three hundred twelve billion, one hundred million, three hundred thirteen thousand, two hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •