Base | Representation |
---|---|
bin | 1100010111010101110… |
… | …1010010101010110100 |
3 | 202022022012020210210111 |
4 | 3011311131102222310 |
5 | 11440021021313140 |
6 | 241330343432404 |
7 | 21230031203506 |
oct | 3056535225264 |
9 | 668265223714 |
10 | 212424010420 |
11 | 820a78a8106 |
12 | 35204455704 |
13 | 17054280c2b |
14 | a3d2153d76 |
15 | 57d404c7ea |
hex | 3175752ab4 |
212424010420 has 24 divisors (see below), whose sum is σ = 465485658624. Its totient is φ = 81275273376.
The previous prime is 212424010417. The next prime is 212424010429. The reversal of 212424010420 is 24010424212.
It is a junction number, because it is equal to n+sod(n) for n = 212424010391 and 212424010400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212424010429) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230895204 + ... + 230896123.
It is an arithmetic number, because the mean of its divisors is an integer number (19395235776).
Almost surely, 2212424010420 is an apocalyptic number.
212424010420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212424010420 is an abundant number, since it is smaller than the sum of its proper divisors (253061648204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212424010420 is a wasteful number, since it uses less digits than its factorization.
212424010420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 461791359 (or 461791357 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 22.
Adding to 212424010420 its reverse (24010424212), we get a palindrome (236434434632).
The spelling of 212424010420 in words is "two hundred twelve billion, four hundred twenty-four million, ten thousand, four hundred twenty".
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