Base | Representation |
---|---|
bin | 1001000110010111111001… |
… | …11011110110010100110011 |
3 | 2121211221211022211210001020 |
4 | 10203023330323312110303 |
5 | 10110321343002242321 |
6 | 110320320505310523 |
7 | 4133455303630230 |
oct | 443137473662463 |
9 | 77757738753036 |
10 | 20010201212211 |
11 | 6415307a12831 |
12 | 22b213ba95443 |
13 | b21c52891192 |
14 | 4d26dadda787 |
15 | 24a7a073c4c6 |
hex | 1232fcef6533 |
20010201212211 has 64 divisors (see below), whose sum is σ = 31993925253120. Its totient is φ = 10876635095040.
The previous prime is 20010201212161. The next prime is 20010201212227. The reversal of 20010201212211 is 11221210201002.
It is not a de Polignac number, because 20010201212211 - 219 = 20010200687923 is a prime.
It is a super-3 number, since 3×200102012122113 (a number of 41 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (20010201212311) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 266662045 + ... + 266737073.
It is an arithmetic number, because the mean of its divisors is an integer number (499905082080).
Almost surely, 220010201212211 is an apocalyptic number.
20010201212211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
20010201212211 is a deficient number, since it is larger than the sum of its proper divisors (11983724040909).
20010201212211 is a wasteful number, since it uses less digits than its factorization.
20010201212211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78116.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 20010201212211 its reverse (11221210201002), we get a palindrome (31231411413213).
The spelling of 20010201212211 in words is "twenty trillion, ten billion, two hundred one million, two hundred twelve thousand, two hundred eleven".
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