Base | Representation |
---|---|
bin | 1100010101110111111… |
… | …0101100001010111001 |
3 | 202021021202001201100110 |
4 | 3011131332230022321 |
5 | 11433214202044231 |
6 | 241223313054533 |
7 | 21214206135060 |
oct | 3053576541271 |
9 | 667252051313 |
10 | 212030112441 |
11 | 81a1551a794 |
12 | 35114557449 |
13 | 16cc0797bc4 |
14 | a395adb1d7 |
15 | 57ae692046 |
hex | 315dfac2b9 |
212030112441 has 16 divisors (see below), whose sum is σ = 323791345664. Its totient is φ = 120898373904.
The previous prime is 212030112391. The next prime is 212030112479. The reversal of 212030112441 is 144211030212.
It is not a de Polignac number, because 212030112441 - 26 = 212030112377 is a prime.
It is a super-4 number, since 4×2120301124414 (a number of 46 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212030112241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10893811 + ... + 10913256.
It is an arithmetic number, because the mean of its divisors is an integer number (20236959104).
Almost surely, 2212030112441 is an apocalyptic number.
212030112441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
212030112441 is a deficient number, since it is larger than the sum of its proper divisors (111761233223).
212030112441 is a wasteful number, since it uses less digits than its factorization.
212030112441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21807540.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 212030112441 its reverse (144211030212), we get a palindrome (356241142653).
The spelling of 212030112441 in words is "two hundred twelve billion, thirty million, one hundred twelve thousand, four hundred forty-one".
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