Base | Representation |
---|---|
bin | 1001000101001100111… |
… | …00011010100110000101 |
3 | 1002211101220201001011202 |
4 | 10202212130122212011 |
5 | 20103014202042013 |
6 | 355202240112245 |
7 | 31354253122505 |
oct | 4424634324605 |
9 | 1084356631152 |
10 | 312030112133 |
11 | 110370955633 |
12 | 50582305685 |
13 | 235692a745c |
14 | 11160b5ba05 |
15 | 81b38cb858 |
hex | 48a671a985 |
312030112133 has 8 divisors (see below), whose sum is σ = 313695008256. Its totient is φ = 310367588400.
The previous prime is 312030112129. The next prime is 312030112153. The reversal of 312030112133 is 331211030213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 312030112133 - 22 = 312030112129 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312030112153) 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 7 ways as a sum of consecutive naturals, for example, 329033 + ... + 855758.
It is an arithmetic number, because the mean of its divisors is an integer number (39211876032).
Almost surely, 2312030112133 is an apocalyptic number.
It is an amenable number.
312030112133 is a deficient number, since it is larger than the sum of its proper divisors (1664896123).
312030112133 is a wasteful number, since it uses less digits than its factorization.
312030112133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1186195.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 312030112133 its reverse (331211030213), we get a palindrome (643241142346).
The spelling of 312030112133 in words is "three hundred twelve billion, thirty million, one hundred twelve thousand, one hundred thirty-three".
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