Base | Representation |
---|---|
bin | 10001101001101110001… |
… | …110001110011001010100 |
3 | 11021222001010221200222220 |
4 | 101221232032032121110 |
5 | 124333241140001322 |
6 | 2325131442422340 |
7 | 153432004606602 |
oct | 21515616163124 |
9 | 4258033850886 |
10 | 1213030000212 |
11 | 4284968a2108 |
12 | 1771153619b0 |
13 | 8a507c617c4 |
14 | 429d4c62872 |
15 | 21848ab655c |
hex | 11a6e38e654 |
1213030000212 has 24 divisors (see below), whose sum is σ = 2836167916512. Its totient is φ = 403519821600.
The previous prime is 1213030000207. The next prime is 1213030000229. The reversal of 1213030000212 is 2120000303121.
It is a junction number, because it is equal to n+sod(n) for n = 1213030000191 and 1213030000200.
It is a congruent number.
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, 102932839 + ... + 102944622.
It is an arithmetic number, because the mean of its divisors is an integer number (118173663188).
Almost surely, 21213030000212 is an apocalyptic number.
1213030000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1213030000212 is an abundant number, since it is smaller than the sum of its proper divisors (1623137916300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1213030000212 is a wasteful number, since it uses less digits than its factorization.
1213030000212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205877959 (or 205877957 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 1213030000212 its reverse (2120000303121), we get a palindrome (3333030303333).
The spelling of 1213030000212 in words is "one trillion, two hundred thirteen billion, thirty million, two hundred twelve", and thus it is an aban number.
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