Base | Representation |
---|---|
bin | 1100010110001001010… |
… | …1111000011110011100 |
3 | 202021110211210002012120 |
4 | 3011202111320132130 |
5 | 11433341421113040 |
6 | 241234445502540 |
7 | 21216055211622 |
oct | 3054225703634 |
9 | 667424702176 |
10 | 212103301020 |
11 | 81a52869416 |
12 | 35134b71a50 |
13 | 170029b1b60 |
14 | a3a170d512 |
15 | 57b5cec7d0 |
hex | 316257879c |
212103301020 has 96 divisors (see below), whose sum is σ = 639765967680. Its totient is φ = 52194293760.
The previous prime is 212103300979. The next prime is 212103301121. The reversal of 212103301020 is 20103301212.
212103301020 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2660296 + ... + 2738864.
It is an arithmetic number, because the mean of its divisors is an integer number (6664228830).
Almost surely, 2212103301020 is an apocalyptic number.
212103301020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212103301020 is an abundant number, since it is smaller than the sum of its proper divisors (427662666660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212103301020 is a wasteful number, since it uses less digits than its factorization.
212103301020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82055 (or 82053 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 212103301020 its reverse (20103301212), we get a palindrome (232206602232).
The spelling of 212103301020 in words is "two hundred twelve billion, one hundred three million, three hundred one thousand, twenty".
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