Base | Representation |
---|---|
bin | 110010001000111000000010… |
… | …111011011000001011111111 |
3 | 1001220202202200112201101121110 |
4 | 302020320002323120023333 |
5 | 212400333102031444411 |
6 | 2100553533405533103 |
7 | 64306325240634300 |
oct | 6210700273301377 |
9 | 1056682615641543 |
10 | 220512260031231 |
11 | 642977a70547a3 |
12 | 20894905874193 |
13 | 96072a869a71c |
14 | 3c64bc94507a7 |
15 | 1a7606b0402a6 |
hex | c88e02ed82ff |
220512260031231 has 48 divisors (see below), whose sum is σ = 342285175249920. Its totient is φ = 125908961713920.
The previous prime is 220512260031209. The next prime is 220512260031241. The reversal of 220512260031231 is 132130062215022.
220512260031231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 220512260031231 - 27 = 220512260031103 is a prime.
It is a super-2 number, since 2×2205122600312312 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220512260031241) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3048365895 + ... + 3048438231.
It is an arithmetic number, because the mean of its divisors is an integer number (7130941151040).
Almost surely, 2220512260031231 is an apocalyptic number.
220512260031231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
220512260031231 is a deficient number, since it is larger than the sum of its proper divisors (121772915218689).
220512260031231 is a wasteful number, since it uses less digits than its factorization.
220512260031231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88204 (or 88197 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 30.
The spelling of 220512260031231 in words is "two hundred twenty trillion, five hundred twelve billion, two hundred sixty million, thirty-one thousand, two hundred thirty-one".
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