Base | Representation |
---|---|
bin | 1001010001000101110111… |
… | …01100000100001101000000 |
3 | 2200011011101212120201122000 |
4 | 10220202323230010031000 |
5 | 10132340103234240133 |
6 | 111201424103544000 |
7 | 4202203401532422 |
oct | 450427354041500 |
9 | 80134355521560 |
10 | 20378473743168 |
11 | 654750a187032 |
12 | 235159975b000 |
13 | b4a8b2c90ba8 |
14 | 50647555c812 |
15 | 255156a2e413 |
hex | 1288bbb04340 |
20378473743168 has 56 divisors (see below), whose sum is σ = 59908939018560. Its totient is φ = 6792824580480.
The previous prime is 20378473743163. The next prime is 20378473743209. The reversal of 20378473743168 is 86134737487302.
20378473743168 is a `hidden beast` number, since 2 + 0 + 3 + 7 + 8 + 473 + 74 + 31 + 68 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20378473743163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5896547388 + ... + 5896550843.
Almost surely, 220378473743168 is an apocalyptic number.
It is an amenable number.
20378473743168 is an abundant number, since it is smaller than the sum of its proper divisors (39530465275392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20378473743168 is a wasteful number, since it uses less digits than its factorization.
20378473743168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11793098252 (or 11793098236 counting only the distinct ones).
The product of its (nonzero) digits is 113799168, while the sum is 63.
The spelling of 20378473743168 in words is "twenty trillion, three hundred seventy-eight billion, four hundred seventy-three million, seven hundred forty-three thousand, one hundred sixty-eight".
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