Base | Representation |
---|---|
bin | 10110101110001110… |
… | …00011111000001000 |
3 | 1011111011100122220200 |
4 | 23113013003320020 |
5 | 144440403340140 |
6 | 5334252252200 |
7 | 611204553663 |
oct | 132707037010 |
9 | 34434318820 |
10 | 12198886920 |
11 | 519aa54330 |
12 | 2445471060 |
13 | 11c541c2ac |
14 | 83a1d06da |
15 | 4b5e5a030 |
hex | 2d71c3e08 |
12198886920 has 384 divisors, whose sum is σ = 46171382400. Its totient is φ = 2762035200.
The previous prime is 12198886919. The next prime is 12198886949. The reversal of 12198886920 is 2968889121.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5491410 + ... + 5493630.
It is an arithmetic number, because the mean of its divisors is an integer number (120237975).
Almost surely, 212198886920 is an apocalyptic number.
12198886920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12198886920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23085691200).
12198886920 is an abundant number, since it is smaller than the sum of its proper divisors (33972495480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12198886920 is a wasteful number, since it uses less digits than its factorization.
12198886920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2341 (or 2334 counting only the distinct ones).
The product of its (nonzero) digits is 995328, while the sum is 54.
The spelling of 12198886920 in words is "twelve billion, one hundred ninety-eight million, eight hundred eighty-six thousand, nine hundred twenty".
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