Base | Representation |
---|---|
bin | 1001000101100111001… |
… | …00000110100011011000 |
3 | 1002211222020220020111101 |
4 | 10202303210012203120 |
5 | 20103442024343000 |
6 | 355240142041144 |
7 | 31362565112461 |
oct | 4426344064330 |
9 | 1084866806441 |
10 | 312250231000 |
11 | 11047412a154 |
12 | 50623b791b4 |
13 | 235a2a86cc6 |
14 | 11182099d68 |
15 | 81c7dabe6a |
hex | 48b39068d8 |
312250231000 has 128 divisors (see below), whose sum is σ = 763000767360. Its totient is φ = 119380800000.
The previous prime is 312250230989. The next prime is 312250231001. The reversal of 312250231000 is 132052213.
It is a super-3 number, since 3×3122502310003 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312250231001) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36726750 + ... + 36735250.
It is an arithmetic number, because the mean of its divisors is an integer number (5960943495).
Almost surely, 2312250231000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 312250231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381500383680).
312250231000 is an abundant number, since it is smaller than the sum of its proper divisors (450750536360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312250231000 is a wasteful number, since it uses less digits than its factorization.
312250231000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10142 (or 10128 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
Adding to 312250231000 its reverse (132052213), we get a palindrome (312382283213).
The spelling of 312250231000 in words is "three hundred twelve billion, two hundred fifty million, two hundred thirty-one thousand".
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