Base | Representation |
---|---|
bin | 1011000111010011001010… |
… | …0100010010100010001100 |
3 | 1121021020000220222000212201 |
4 | 2301310302210102202030 |
5 | 3100203110231043040 |
6 | 41553445431411244 |
7 | 2400603512661031 |
oct | 261646244224214 |
9 | 47236026860781 |
10 | 12220030331020 |
11 | 3991538601186 |
12 | 14543a7523b24 |
13 | 6a8461776225 |
14 | 303649ddd388 |
15 | 162d0eb02a9a |
hex | b1d3291288c |
12220030331020 has 12 divisors (see below), whose sum is σ = 25662063695184. Its totient is φ = 4888012132400.
The previous prime is 12220030331011. The next prime is 12220030331099. The reversal of 12220030331020 is 2013303002221.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305500758256 + ... + 305500758295.
It is an arithmetic number, because the mean of its divisors is an integer number (2138505307932).
Almost surely, 212220030331020 is an apocalyptic number.
12220030331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12220030331020 is an abundant number, since it is smaller than the sum of its proper divisors (13442033364164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12220030331020 is a wasteful number, since it uses less digits than its factorization.
12220030331020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 611001516560 (or 611001516558 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 12220030331020 its reverse (2013303002221), we get a palindrome (14233333333241).
The spelling of 12220030331020 in words is "twelve trillion, two hundred twenty billion, thirty million, three hundred thirty-one thousand, twenty".
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