Base | Representation |
---|---|
bin | 1001001001000001011010… |
… | …00000011000011101110100 |
3 | 2122011122201022220210122120 |
4 | 10210200231000120131310 |
5 | 10113314230204121322 |
6 | 110430210440355540 |
7 | 4143156345011325 |
oct | 444405500303564 |
9 | 78148638823576 |
10 | 20101202020212 |
11 | 644a965559775 |
12 | 23078b7a75bb0 |
13 | b2a6c5b44331 |
14 | 4d6c90bb644c |
15 | 24cd298a9a5c |
hex | 12482d018774 |
20101202020212 has 24 divisors (see below), whose sum is σ = 48170448085536. Its totient is φ = 6519308763168.
The previous prime is 20101202020153. The next prime is 20101202020219. The reversal of 20101202020212 is 21202020210102.
It is a junction number, because it is equal to n+sod(n) for n = 20101202020191 and 20101202020200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20101202020219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22636488318 + ... + 22636489205.
It is an arithmetic number, because the mean of its divisors is an integer number (2007102003564).
Almost surely, 220101202020212 is an apocalyptic number.
It is an amenable number.
20101202020212 is an abundant number, since it is smaller than the sum of its proper divisors (28069246065324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20101202020212 is a wasteful number, since it uses less digits than its factorization.
20101202020212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45272977567 (or 45272977565 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 20101202020212 its reverse (21202020210102), we get a palindrome (41303222230314).
The spelling of 20101202020212 in words is "twenty trillion, one hundred one billion, two hundred two million, twenty thousand, two hundred twelve".
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