Base | Representation |
---|---|
bin | 1001001100101001011110… |
… | …11111001101011111111000 |
3 | 2122121120022121200112022020 |
4 | 10212110233133031133320 |
5 | 10122334413203122033 |
6 | 111003334142354440 |
7 | 4155160056615612 |
oct | 446245737153770 |
9 | 78546277615266 |
10 | 20225797707768 |
11 | 649879257a984 |
12 | 2327a8a88ba20 |
13 | b39391198b43 |
14 | 4dcd10615db2 |
15 | 2511bd0506b3 |
hex | 12652f7cd7f8 |
20225797707768 has 64 divisors (see below), whose sum is σ = 50736252927360. Its totient is φ = 6719037526656.
The previous prime is 20225797707737. The next prime is 20225797707781. The reversal of 20225797707768 is 86770779752202.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53842371 + ... + 54216717.
It is an arithmetic number, because the mean of its divisors is an integer number (792753951990).
Almost surely, 220225797707768 is an apocalyptic number.
It is an amenable number.
20225797707768 is an abundant number, since it is smaller than the sum of its proper divisors (30510455219592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20225797707768 is a wasteful number, since it uses less digits than its factorization.
20225797707768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 381996 (or 381992 counting only the distinct ones).
The product of its (nonzero) digits is 290424960, while the sum is 69.
The spelling of 20225797707768 in words is "twenty trillion, two hundred twenty-five billion, seven hundred ninety-seven million, seven hundred seven thousand, seven hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •