Base | Representation |
---|---|
bin | 10001101001110011001… |
… | …100000100001110001010 |
3 | 11021222020221201210201012 |
4 | 101221303030010032022 |
5 | 124333424002222310 |
6 | 2325144020323522 |
7 | 153434036041442 |
oct | 21516314041612 |
9 | 4258227653635 |
10 | 1213113320330 |
11 | 42852993080a |
12 | 1771392435a2 |
13 | 8a51c2b5152 |
14 | 42a01d51122 |
15 | 21851073c05 |
hex | 11a7330438a |
1213113320330 has 32 divisors (see below), whose sum is σ = 2206425883536. Its totient is φ = 480175202304.
The previous prime is 1213113320311. The next prime is 1213113320347. The reversal of 1213113320330 is 330233113121.
It can be written as a sum of positive squares in 8 ways, for example, as 635083080241 + 578030240089 = 796921^2 + 760283^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1213113320296 and 1213113320305.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7110182 + ... + 7278798.
Almost surely, 21213113320330 is an apocalyptic number.
1213113320330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1213113320330 is a deficient number, since it is larger than the sum of its proper divisors (993312563206).
1213113320330 is a wasteful number, since it uses less digits than its factorization.
1213113320330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176138.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 1213113320330 its reverse (330233113121), we get a palindrome (1543346433451).
The spelling of 1213113320330 in words is "one trillion, two hundred thirteen billion, one hundred thirteen million, three hundred twenty thousand, three hundred thirty".
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