Base | Representation |
---|---|
bin | 100100001010001… |
… | …1111111010001010 |
3 | 10010120002201011002 |
4 | 1020110133322022 |
5 | 4441103130010 |
6 | 320221535002 |
7 | 42032106242 |
oct | 11024377212 |
9 | 3116081132 |
10 | 1213333130 |
11 | 572993159 |
12 | 29a414462 |
13 | 1644b21c9 |
14 | b7200b22 |
15 | 717c11a5 |
hex | 4851fe8a |
1213333130 has 8 divisors (see below), whose sum is σ = 2183999652. Its totient is φ = 485333248.
The previous prime is 1213333111. The next prime is 1213333139. The reversal of 1213333130 is 313333121.
It can be written as a sum of positive squares in 2 ways, for example, as 1108823401 + 104509729 = 33299^2 + 10223^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (1213333139) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60666647 + ... + 60666666.
Almost surely, 21213333130 is an apocalyptic number.
1213333130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1213333130 is a deficient number, since it is larger than the sum of its proper divisors (970666522).
1213333130 is a wasteful number, since it uses less digits than its factorization.
1213333130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121333320.
The product of its (nonzero) digits is 486, while the sum is 20.
The square root of 1213333130 is about 34832.9316882745. The cubic root of 1213333130 is about 1066.5797944659.
Adding to 1213333130 its reverse (313333121), we get a palindrome (1526666251).
Subtracting from 1213333130 its reverse (313333121), we obtain a palindrome (900000009).
The spelling of 1213333130 in words is "one billion, two hundred thirteen million, three hundred thirty-three thousand, one hundred thirty".
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