Base | Representation |
---|---|
bin | 1001011101011001100101… |
… | …00110000111110010011100 |
3 | 2201122120222121210021222120 |
4 | 10232230302212013302130 |
5 | 10211302204104444300 |
6 | 112124004151342540 |
7 | 4244564322065511 |
oct | 456546246076234 |
9 | 81576877707876 |
10 | 20801375468700 |
11 | 669a8a5185822 |
12 | 23bb542681a50 |
13 | b7b73b2000c8 |
14 | 51cb1314b308 |
15 | 261158cc43a0 |
hex | 12eb32987c9c |
20801375468700 has 72 divisors (see below), whose sum is σ = 60274213630512. Its totient is φ = 5538839854080.
The previous prime is 20801375468651. The next prime is 20801375468701. The reversal of 20801375468700 is 786457310802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20801375468701) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51006589 + ... + 51412788.
Almost surely, 220801375468700 is an apocalyptic number.
20801375468700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20801375468700 is an abundant number, since it is smaller than the sum of its proper divisors (39472838161812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20801375468700 is a wasteful number, since it uses less digits than its factorization.
20801375468700 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102420071 (or 102420064 counting only the distinct ones).
The product of its (nonzero) digits is 2257920, while the sum is 51.
The spelling of 20801375468700 in words is "twenty trillion, eight hundred one billion, three hundred seventy-five million, four hundred sixty-eight thousand, seven hundred".
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