Base | Representation |
---|---|
bin | 1001011101000000101111… |
… | …11110111111100001010110 |
3 | 2201121022120112110200110220 |
4 | 10232200113332333201112 |
5 | 10211042403242223333 |
6 | 112113521242055210 |
7 | 4243613053250415 |
oct | 456402776774126 |
9 | 81538515420426 |
10 | 20788044101718 |
11 | 6695183a52463 |
12 | 23b8a41aaa506 |
13 | b7a3c529a38a |
14 | 51c20a7a547c |
15 | 260b287198b3 |
hex | 12e817fbf856 |
20788044101718 has 16 divisors (see below), whose sum is σ = 41577782232000. Its totient is φ = 6929065695816.
The previous prime is 20788044101701. The next prime is 20788044101743. The reversal of 20788044101718 is 81710144088702.
It is a happy number.
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, 70424968 + ... + 70719531.
It is an arithmetic number, because the mean of its divisors is an integer number (2598611389500).
Almost surely, 220788044101718 is an apocalyptic number.
20788044101718 is an abundant number, since it is smaller than the sum of its proper divisors (20789738130282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20788044101718 is a wasteful number, since it uses less digits than its factorization.
20788044101718 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141169051.
The product of its (nonzero) digits is 802816, while the sum is 51.
The spelling of 20788044101718 in words is "twenty trillion, seven hundred eighty-eight billion, forty-four million, one hundred one thousand, seven hundred eighteen".
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