Base | Representation |
---|---|
bin | 1001000101110000101… |
… | …01100101100111000101 |
3 | 1002212011211120210011021 |
4 | 10202320111211213011 |
5 | 20104123024442013 |
6 | 355252122311141 |
7 | 31364556564250 |
oct | 4427025454705 |
9 | 1085154523137 |
10 | 312330312133 |
11 | 110505356304 |
12 | 506469584b1 |
13 | 235b65452a8 |
14 | 1118c984097 |
15 | 81cee29a8d |
hex | 48b85659c5 |
312330312133 has 16 divisors (see below), whose sum is σ = 365640204160. Its totient is φ = 261206539776.
The previous prime is 312330312109. The next prime is 312330312143. The reversal of 312330312133 is 331213033213.
It is not a de Polignac number, because 312330312133 - 213 = 312330303941 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 312330312098 and 312330312107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312330312143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271668 + ... + 835741.
It is an arithmetic number, because the mean of its divisors is an integer number (22852512760).
Almost surely, 2312330312133 is an apocalyptic number.
It is an amenable number.
312330312133 is a deficient number, since it is larger than the sum of its proper divisors (53309892027).
312330312133 is a wasteful number, since it uses less digits than its factorization.
312330312133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1108396.
The product of its (nonzero) digits is 2916, while the sum is 25.
Adding to 312330312133 its reverse (331213033213), we get a palindrome (643543345346).
The spelling of 312330312133 in words is "three hundred twelve billion, three hundred thirty million, three hundred twelve thousand, one hundred thirty-three".
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