Base | Representation |
---|---|
bin | 1001000101010101010… |
… | …11001101111001010100 |
3 | 1002211120212021122210020 |
4 | 10202222223031321110 |
5 | 20103140340214030 |
6 | 355213253425140 |
7 | 31356104405523 |
oct | 4425253157124 |
9 | 1084525248706 |
10 | 312101101140 |
11 | 1103a7a31734 |
12 | 505a203b1b0 |
13 | 2357ac0119a |
14 | 1116a35a4ba |
15 | 81b9c50510 |
hex | 48aaacde54 |
312101101140 has 48 divisors (see below), whose sum is σ = 873908185920. Its totient is φ = 83224569600.
The previous prime is 312101101129. The next prime is 312101101141. The reversal of 312101101140 is 41101101213.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312101101141) 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 15 ways as a sum of consecutive naturals, for example, 3266040 + ... + 3360240.
It is an arithmetic number, because the mean of its divisors is an integer number (18206420540).
Almost surely, 2312101101140 is an apocalyptic number.
312101101140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
312101101140 is an abundant number, since it is smaller than the sum of its proper divisors (561807084780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312101101140 is a wasteful number, since it uses less digits than its factorization.
312101101140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 149432 (or 149430 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 15.
Adding to 312101101140 its reverse (41101101213), we get a palindrome (353202202353).
The spelling of 312101101140 in words is "three hundred twelve billion, one hundred one million, one hundred one thousand, one hundred forty".
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