Base | Representation |
---|---|
bin | 111101011001100… |
… | …110011011111100 |
3 | 2122210100120122111 |
4 | 331121212123330 |
5 | 4102202334322 |
6 | 250115023404 |
7 | 34345612561 |
oct | 7531463374 |
9 | 2583316574 |
10 | 1030121212 |
11 | 48952734a |
12 | 248b9ab64 |
13 | 1355553a3 |
14 | 9ab4c868 |
15 | 60681177 |
hex | 3d6666fc |
1030121212 has 12 divisors (see below), whose sum is σ = 1805715856. Its totient is φ = 514202400.
The previous prime is 1030121167. The next prime is 1030121237. The reversal of 1030121212 is 2121210301.
It is a super-2 number, since 2×10301212122 = 2122299422824697888, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a junction number, because it is equal to n+sod(n) for n = 1030121192 and 1030121201.
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 3 ways as a sum of consecutive naturals, for example, 211848 + ... + 216655.
Almost surely, 21030121212 is an apocalyptic number.
It is an amenable number.
1030121212 is a deficient number, since it is larger than the sum of its proper divisors (775594644).
1030121212 is a wasteful number, since it uses less digits than its factorization.
1030121212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 429108 (or 429106 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 1030121212 is about 32095.5014293281. The cubic root of 1030121212 is about 1009.9412480937.
Adding to 1030121212 its reverse (2121210301), we get a palindrome (3151331513).
It can be divided in two parts, 10301 and 21212, that added together give a palindrome (31513).
The spelling of 1030121212 in words is "one billion, thirty million, one hundred twenty-one thousand, two hundred twelve".
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