Base | Representation |
---|---|
bin | 1001000110000011010… |
… | …10000110011000110101 |
3 | 1002212120201211022022210 |
4 | 10203001222012120311 |
5 | 20104433042343323 |
6 | 355315430044033 |
7 | 31401465663444 |
oct | 4430152063065 |
9 | 1085521738283 |
10 | 312486684213 |
11 | 11058564aa30 |
12 | 5068b1a9619 |
13 | 2360ca65652 |
14 | 111a564ad5b |
15 | 81dda17293 |
hex | 48c1a86635 |
312486684213 has 32 divisors (see below), whose sum is σ = 465192364032. Its totient is φ = 184943404800.
The previous prime is 312486684193. The next prime is 312486684221.
312486684213 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 312486684213 - 26 = 312486684149 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312486684233) 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, 7814356 + ... + 7854242.
It is an arithmetic number, because the mean of its divisors is an integer number (14537261376).
Almost surely, 2312486684213 is an apocalyptic number.
312486684213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
It is an amenable number.
312486684213 is a deficient number, since it is larger than the sum of its proper divisors (152705679819).
312486684213 is a wasteful number, since it uses less digits than its factorization.
312486684213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45465.
The product of its digits is 1327104, while the sum is 48.
It can be divided in two parts, 312486 and 684213, that added together give a palindrome (996699).
The spelling of 312486684213 in words is "three hundred twelve billion, four hundred eighty-six million, six hundred eighty-four thousand, two hundred thirteen".
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