Base | Representation |
---|---|
bin | 1001001001111010110011… |
… | …11101111101101110111100 |
3 | 2122021121021011111220110110 |
4 | 10210331121331331232330 |
5 | 10114320334402212340 |
6 | 110452304533110020 |
7 | 4145330152103664 |
oct | 444753175755674 |
9 | 78247234456413 |
10 | 20132021132220 |
11 | 6461a400a7778 |
12 | 2311879188310 |
13 | b30597b2149a |
14 | 4d8575d231a4 |
15 | 24da30383680 |
hex | 124f59f7dbbc |
20132021132220 has 96 divisors (see below), whose sum is σ = 56895066930240. Its totient is φ = 5318514432000.
The previous prime is 20132021132219. The next prime is 20132021132231. The reversal of 20132021132220 is 2223112023102.
20132021132220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a super-4 number, since 4×201320211322204 (a number of 54 digits) contains 4444 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45566694 + ... + 46006386.
It is an arithmetic number, because the mean of its divisors is an integer number (592656947190).
Almost surely, 220132021132220 is an apocalyptic number.
20132021132220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20132021132220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28447533465120).
20132021132220 is an abundant number, since it is smaller than the sum of its proper divisors (36763045798020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20132021132220 is a wasteful number, since it uses less digits than its factorization.
20132021132220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 446815 (or 446813 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 20132021132220 its reverse (2223112023102), we get a palindrome (22355133155322).
The spelling of 20132021132220 in words is "twenty trillion, one hundred thirty-two billion, twenty-one million, one hundred thirty-two thousand, two hundred twenty".
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