Base | Representation |
---|---|
bin | 10110100100110100… |
… | …01000101010010000 |
3 | 1011021122220212000011 |
4 | 23102122020222100 |
5 | 144310210014133 |
6 | 5322353404304 |
7 | 606226211242 |
oct | 132232105220 |
9 | 34248825004 |
10 | 12120001168 |
11 | 515a4742a0 |
12 | 2422b69694 |
13 | 11b1c8c132 |
14 | 82d938092 |
15 | 4ae0766cd |
hex | 2d2688a90 |
12120001168 has 20 divisors (see below), whose sum is σ = 25617275568. Its totient is φ = 5509091360.
The previous prime is 12120001121. The next prime is 12120001261. The reversal of 12120001168 is 86110002121.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34431646 + ... + 34431997.
Almost surely, 212120001168 is an apocalyptic number.
It is an amenable number.
12120001168 is an abundant number, since it is smaller than the sum of its proper divisors (13497274400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12120001168 is a wasteful number, since it uses less digits than its factorization.
12120001168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68863662 (or 68863656 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 22.
Adding to 12120001168 its reverse (86110002121), we get a palindrome (98230003289).
The spelling of 12120001168 in words is "twelve billion, one hundred twenty million, one thousand, one hundred sixty-eight".
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