Base | Representation |
---|---|
bin | 10110010110100010… |
… | …01010110001100100 |
3 | 1010222022111211102222 |
4 | 23023101022301210 |
5 | 144034023210040 |
6 | 5302434051512 |
7 | 603243050021 |
oct | 131321126144 |
9 | 33868454388 |
10 | 12000210020 |
11 | 50a8895447 |
12 | 23aaa19b98 |
13 | 11932092b6 |
14 | 81ba74548 |
15 | 4a37b2bb5 |
hex | 2cb44ac64 |
12000210020 has 24 divisors (see below), whose sum is σ = 25203402168. Its totient is φ = 4799520000.
The previous prime is 12000209989. The next prime is 12000210031. The reversal of 12000210020 is 2001200021.
It can be written as a sum of positive squares in 4 ways, for example, as 7466342464 + 4533867556 = 86408^2 + 67334^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167720 + ... + 228320.
It is an arithmetic number, because the mean of its divisors is an integer number (1050141757).
Almost surely, 212000210020 is an apocalyptic number.
12000210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12000210020 is an abundant number, since it is smaller than the sum of its proper divisors (13203192148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12000210020 is a wasteful number, since it uses less digits than its factorization.
12000210020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70511 (or 70509 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 8.
Adding to 12000210020 its reverse (2001200021), we get a palindrome (14001410041).
Subtracting from 12000210020 its reverse (2001200021), we obtain a palindrome (9999009999).
The spelling of 12000210020 in words is "twelve billion, two hundred ten thousand, twenty".
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