Base | Representation |
---|---|
bin | 111100110011011… |
… | …000001001011100 |
3 | 2122002111111210101 |
4 | 330303120021130 |
5 | 4042121214322 |
6 | 245120150444 |
7 | 34164501004 |
oct | 7463301134 |
9 | 2562444711 |
10 | 1020101212 |
11 | 483903159 |
12 | 245768424 |
13 | 1334576b0 |
14 | 996a1004 |
15 | 5e852327 |
hex | 3ccd825c |
1020101212 has 48 divisors (see below), whose sum is σ = 1987124832. Its totient is φ = 455212800.
The previous prime is 1020101191. The next prime is 1020101213. The reversal of 1020101212 is 2121010201.
1020101212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1020101213) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223578 + ... + 228094.
It is an arithmetic number, because the mean of its divisors is an integer number (41398434).
Almost surely, 21020101212 is an apocalyptic number.
It is an amenable number.
1020101212 is a deficient number, since it is larger than the sum of its proper divisors (967023620).
1020101212 is a wasteful number, since it uses less digits than its factorization.
1020101212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4678 (or 4676 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 1020101212 is about 31939.0233413610. The cubic root of 1020101212 is about 1006.6560033274.
Adding to 1020101212 its reverse (2121010201), we get a palindrome (3141111413).
The spelling of 1020101212 in words is "one billion, twenty million, one hundred one thousand, two hundred twelve".
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