Base | Representation |
---|---|
bin | 1001000101100010110… |
… | …10000011001010000100 |
3 | 1002211212201210121110011 |
4 | 10202301122003022010 |
5 | 20103403243304340 |
6 | 355232410240004 |
7 | 31361645364064 |
oct | 4426132031204 |
9 | 1084781717404 |
10 | 312214041220 |
11 | 110455761244 |
12 | 50613a26004 |
13 | 23598425833 |
14 | 1117b3593a4 |
15 | 81c4b0e0ea |
hex | 48b1683284 |
312214041220 has 48 divisors (see below), whose sum is σ = 659312841600. Its totient is φ = 124188539904.
The previous prime is 312214041193. The next prime is 312214041233. The reversal of 312214041220 is 22140412213.
It is a super-3 number, since 3×3122140412203 (a number of 35 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 312214041191 and 312214041200.
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, 7409652 + ... + 7451668.
It is an arithmetic number, because the mean of its divisors is an integer number (13735684200).
Almost surely, 2312214041220 is an apocalyptic number.
It is an amenable number.
312214041220 is an abundant number, since it is smaller than the sum of its proper divisors (347098800380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312214041220 is a wasteful number, since it uses less digits than its factorization.
312214041220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44092 (or 44090 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 22.
Adding to 312214041220 its reverse (22140412213), we get a palindrome (334354453433).
The spelling of 312214041220 in words is "three hundred twelve billion, two hundred fourteen million, forty-one thousand, two hundred twenty".
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