Base | Representation |
---|---|
bin | 100100000100000… |
… | …1100000010100100 |
3 | 10010100000202101111 |
4 | 1020020030002210 |
5 | 4434241343040 |
6 | 320024434404 |
7 | 41662505614 |
oct | 11010140244 |
9 | 3110022344 |
10 | 1210106020 |
11 | 571089622 |
12 | 299318a04 |
13 | 163922386 |
14 | b6a00a44 |
15 | 71384dea |
hex | 4820c0a4 |
1210106020 has 12 divisors (see below), whose sum is σ = 2541222684. Its totient is φ = 484042400.
The previous prime is 1210105993. The next prime is 1210106041. The reversal of 1210106020 is 206010121.
It can be written as a sum of positive squares in 2 ways, for example, as 934280356 + 275825664 = 30566^2 + 16608^2 .
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, 30252631 + ... + 30252670.
It is an arithmetic number, because the mean of its divisors is an integer number (211768557).
Almost surely, 21210106020 is an apocalyptic number.
1210106020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1210106020 is an abundant number, since it is smaller than the sum of its proper divisors (1331116664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1210106020 is a wasteful number, since it uses less digits than its factorization.
1210106020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60505310 (or 60505308 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 1210106020 is about 34786.5781588244. The cubic root of 1210106020 is about 1065.6333584883.
Adding to 1210106020 its reverse (206010121), we get a palindrome (1416116141).
The spelling of 1210106020 in words is "one billion, two hundred ten million, one hundred six thousand, twenty".
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