Base | Representation |
---|---|
bin | 1001111010100100000111… |
… | …11101110111101010111000 |
3 | 2212012101120011201210000010 |
4 | 10331102003331313222320 |
5 | 10324212000303403400 |
6 | 114212212552541520 |
7 | 4410151156233336 |
oct | 475220375675270 |
9 | 85171504653003 |
10 | 21803468028600 |
11 | 6a46887317965 |
12 | 25417a93b18a0 |
13 | c2209ab8016b |
14 | 555417464b56 |
15 | 27c2590d3450 |
hex | 13d483f77ab8 |
21803468028600 has 96 divisors (see below), whose sum is σ = 67595370963120. Its totient is φ = 5813860715520.
The previous prime is 21803468028599. The next prime is 21803468028673. The reversal of 21803468028600 is 682086430812.
It is a self number, because there is not a number n which added to its sum of digits gives 21803468028600.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7595604 + ... + 10064796.
Almost surely, 221803468028600 is an apocalyptic number.
21803468028600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
21803468028600 is an abundant number, since it is smaller than the sum of its proper divisors (45791902934520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21803468028600 is a wasteful number, since it uses less digits than its factorization.
21803468028600 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2483929 (or 2483920 counting only the distinct ones).
The product of its (nonzero) digits is 884736, while the sum is 48.
The spelling of 21803468028600 in words is "twenty-one trillion, eight hundred three billion, four hundred sixty-eight million, twenty-eight thousand, six hundred".
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