Base | Representation |
---|---|
bin | 1001001001000001001111… |
… | …00010001100010110110100 |
3 | 2122011122110221011212201120 |
4 | 10210200213202030112310 |
5 | 10113314033204021322 |
6 | 110430153401023540 |
7 | 4143154151511000 |
oct | 444404742142664 |
9 | 78148427155646 |
10 | 20101110220212 |
11 | 644a918758aaa |
12 | 2307891184bb0 |
13 | b2a6acb11cc8 |
14 | 4d6c8291b700 |
15 | 24cd217c4a5c |
hex | 12482788c5b4 |
20101110220212 has 96 divisors (see below), whose sum is σ = 54698474880000. Its totient is φ = 5743008837216.
The previous prime is 20101110220201. The next prime is 20101110220231. The reversal of 20101110220212 is 21202201110102.
It is a super-2 number, since 2×201011102202122 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20101110220191 and 20101110220200.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255560163 + ... + 255638805.
It is an arithmetic number, because the mean of its divisors is an integer number (569775780000).
Almost surely, 220101110220212 is an apocalyptic number.
It is an amenable number.
20101110220212 is an abundant number, since it is smaller than the sum of its proper divisors (34597364659788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20101110220212 is a wasteful number, since it uses less digits than its factorization.
20101110220212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140770 (or 140754 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 20101110220212 its reverse (21202201110102), we get a palindrome (41303311330314).
The spelling of 20101110220212 in words is "twenty trillion, one hundred one billion, one hundred ten million, two hundred twenty thousand, two hundred twelve".
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