Base | Representation |
---|---|
bin | 1001000101100010010… |
… | …11001000010100101100 |
3 | 1002211212110102220120022 |
4 | 10202301023020110230 |
5 | 20103401243131340 |
6 | 355232150341312 |
7 | 31361600214542 |
oct | 4426113102454 |
9 | 1084773386508 |
10 | 312210130220 |
11 | 11045352a90a |
12 | 5061265a838 |
13 | 23597686631 |
14 | 1117aa1bd92 |
15 | 81c45da3b5 |
hex | 48b12c852c |
312210130220 has 48 divisors (see below), whose sum is σ = 660716179200. Its totient is φ = 123918203904.
The previous prime is 312210130217. The next prime is 312210130283. The reversal of 312210130220 is 22031012213.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6549512 + ... + 6597008.
It is an arithmetic number, because the mean of its divisors is an integer number (13764920400).
Almost surely, 2312210130220 is an apocalyptic number.
It is an amenable number.
312210130220 is an abundant number, since it is smaller than the sum of its proper divisors (348506048980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312210130220 is a wasteful number, since it uses less digits than its factorization.
312210130220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50042 (or 50040 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 312210130220 its reverse (22031012213), we get a palindrome (334241142433).
The spelling of 312210130220 in words is "three hundred twelve billion, two hundred ten million, one hundred thirty thousand, two hundred twenty".
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