Base | Representation |
---|---|
bin | 11000000011000111… |
… | …11111011111100000 |
3 | 1020022210112120002010 |
4 | 30001203333133200 |
5 | 202420221123313 |
6 | 5533053552520 |
7 | 634643442246 |
oct | 140143773740 |
9 | 36283476063 |
10 | 12911114208 |
11 | 5525a95223 |
12 | 2603aa5740 |
13 | 12a9b4cc65 |
14 | 8a6a2c796 |
15 | 5087454c3 |
hex | 3018ff7e0 |
12911114208 has 48 divisors (see below), whose sum is σ = 34032365136. Its totient is φ = 4285839360.
The previous prime is 12911114197. The next prime is 12911114231. The reversal of 12911114208 is 80241111921.
It is a tau number, because it is divible by the number of its divisors (48).
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, 255891 + ... + 302162.
It is an arithmetic number, because the mean of its divisors is an integer number (709007607).
Almost surely, 212911114208 is an apocalyptic number.
It is an amenable number.
12911114208 is an abundant number, since it is smaller than the sum of its proper divisors (21121250928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12911114208 is a wasteful number, since it uses less digits than its factorization.
12911114208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 558307 (or 558299 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 30.
The spelling of 12911114208 in words is "twelve billion, nine hundred eleven million, one hundred fourteen thousand, two hundred eight".
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