Base | Representation |
---|---|
bin | 1001000011101001111… |
… | …10100110010011110101 |
3 | 1002202021002002202111200 |
4 | 10201310332212103311 |
5 | 20044314223242323 |
6 | 354544032323113 |
7 | 31324555105302 |
oct | 4416476462365 |
9 | 1082232082450 |
10 | 311200212213 |
11 | 10aa85452530 |
12 | 503903a3499 |
13 | 23466386007 |
14 | 110c284c0a9 |
15 | 8165aea443 |
hex | 4874fa64f5 |
311200212213 has 24 divisors (see below), whose sum is σ = 506194680576. Its totient is φ = 182522116800.
The previous prime is 311200212199. The next prime is 311200212283. The reversal of 311200212213 is 312212002113.
It is not a de Polignac number, because 311200212213 - 25 = 311200212181 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (311200212283) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50697520 + ... + 50703657.
It is an arithmetic number, because the mean of its divisors is an integer number (21091445024).
Almost surely, 2311200212213 is an apocalyptic number.
311200212213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
It is an amenable number.
311200212213 is a deficient number, since it is larger than the sum of its proper divisors (194994468363).
311200212213 is a wasteful number, since it uses less digits than its factorization.
311200212213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101401225 (or 101401222 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 311200212213 its reverse (312212002113), we get a palindrome (623412214326).
The spelling of 311200212213 in words is "three hundred eleven billion, two hundred million, two hundred twelve thousand, two hundred thirteen".
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