Base | Representation |
---|---|
bin | 10001101000111100110… |
… | …000001001000001101001 |
3 | 11021212220022012212100000 |
4 | 101220330300021001221 |
5 | 124330041201432223 |
6 | 2324513233333213 |
7 | 153402306151356 |
oct | 21507460110151 |
9 | 4255808185300 |
10 | 1212200030313 |
11 | 428100351478 |
12 | 176b23407209 |
13 | 8a40501755c |
14 | 4295693562d |
15 | 217eacbe543 |
hex | 11a3cc09069 |
1212200030313 has 24 divisors (see below), whose sum is σ = 1834525489888. Its totient is φ = 799802066304.
The previous prime is 1212200030263. The next prime is 1212200030317. The reversal of 1212200030313 is 3130300022121.
1212200030313 is a `hidden beast` number, since 121 + 2 + 200 + 0 + 30 + 313 = 666.
It is a de Polignac number, because none of the positive numbers 2k-1212200030313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1212200030317) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25690231 + ... + 25737372.
Almost surely, 21212200030313 is an apocalyptic number.
It is an amenable number.
1212200030313 is a deficient number, since it is larger than the sum of its proper divisors (622325459575).
1212200030313 is an frugal number, since it uses more digits than its factorization.
1212200030313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51427715 (or 51427703 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 1212200030313 its reverse (3130300022121), we get a palindrome (4342500052434).
The spelling of 1212200030313 in words is "one trillion, two hundred twelve billion, two hundred million, thirty thousand, three hundred thirteen".
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