Base | Representation |
---|---|
bin | 1001000101011010001… |
… | …00001110011001101000 |
3 | 1002211200122202110111111 |
4 | 10202231010032121220 |
5 | 20103231122224430 |
6 | 355221245240104 |
7 | 31360102342555 |
oct | 4425504163150 |
9 | 1084618673444 |
10 | 312141211240 |
11 | 110418637a81 |
12 | 505b3563034 |
13 | 23586305b81 |
14 | 111717dba2c |
15 | 81bd524c2a |
hex | 48ad10e668 |
312141211240 has 32 divisors (see below), whose sum is σ = 743630534280. Its totient is φ = 117511985152.
The previous prime is 312141211229. The next prime is 312141211271. The reversal of 312141211240 is 42112141213.
It can be written as a sum of positive squares in 4 ways, for example, as 312125577124 + 15634116 = 558682^2 + 3954^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229514917 + ... + 229516276.
Almost surely, 2312141211240 is an apocalyptic number.
It is an amenable number.
312141211240 is an abundant number, since it is smaller than the sum of its proper divisors (431489323040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312141211240 is a wasteful number, since it uses less digits than its factorization.
312141211240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 459031221 (or 459031217 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 22.
Adding to 312141211240 its reverse (42112141213), we get a palindrome (354253352453).
The spelling of 312141211240 in words is "three hundred twelve billion, one hundred forty-one million, two hundred eleven thousand, two hundred forty".
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