Base | Representation |
---|---|
bin | 100100001000010… |
… | …1011110001001010 |
3 | 10010111012220102001 |
4 | 1020100223301022 |
5 | 4440324130010 |
6 | 320144301214 |
7 | 42020442631 |
oct | 11020536112 |
9 | 3114186361 |
10 | 1212333130 |
11 | 57236a908 |
12 | 29a01180a |
13 | 164221ca8 |
14 | b7020518 |
15 | 71674c3a |
hex | 4842bc4a |
1212333130 has 16 divisors (see below), whose sum is σ = 2223374184. Its totient is φ = 475783360.
The previous prime is 1212333097. The next prime is 1212333149. The reversal of 1212333130 is 313332121.
It can be written as a sum of positive squares in 4 ways, for example, as 819619641 + 392713489 = 28629^2 + 19817^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1212333098 and 1212333107.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143181 + ... + 1144240.
Almost surely, 21212333130 is an apocalyptic number.
1212333130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1212333130 is a deficient number, since it is larger than the sum of its proper divisors (1011041054).
1212333130 is a wasteful number, since it uses less digits than its factorization.
1212333130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2287481.
The product of its (nonzero) digits is 324, while the sum is 19.
The square root of 1212333130 is about 34818.5744969549. The cubic root of 1212333130 is about 1066.2866974538.
Adding to 1212333130 its reverse (313332121), we get a palindrome (1525665251).
The spelling of 1212333130 in words is "one billion, two hundred twelve million, three hundred thirty-three thousand, one hundred thirty".
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