Base | Representation |
---|---|
bin | 1001001000010000101111… |
… | …00000011011111110101010 |
3 | 2122002011021020202220000200 |
4 | 10210020113200123332222 |
5 | 10112402221302130212 |
6 | 110410205513213030 |
7 | 4141242662305053 |
oct | 444102740337652 |
9 | 78064236686020 |
10 | 20075071520682 |
11 | 643a876576712 |
12 | 2302824a01176 |
13 | b280c033b9a9 |
14 | 4d58d263172a |
15 | 24c2ea8296dc |
hex | 12421781bfaa |
20075071520682 has 12 divisors (see below), whose sum is σ = 43495988294850. Its totient is φ = 6691690506888.
The previous prime is 20075071520681. The next prime is 20075071520737. The reversal of 20075071520682 is 28602517057002.
20075071520682 is a `hidden beast` number, since 2 + 0 + 0 + 7 + 50 + 71 + 520 + 6 + 8 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 19266296856921 + 808774663761 = 4389339^2 + 899319^2 .
It is not an unprimeable number, because it can be changed into a prime (20075071520681) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 557640875557 + ... + 557640875592.
Almost surely, 220075071520682 is an apocalyptic number.
20075071520682 is an abundant number, since it is smaller than the sum of its proper divisors (23420916774168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20075071520682 is a wasteful number, since it uses less digits than its factorization.
20075071520682 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1115281751157 (or 1115281751154 counting only the distinct ones).
The product of its (nonzero) digits is 470400, while the sum is 45.
Adding to 20075071520682 its reverse (28602517057002), we get a palindrome (48677588577684).
The spelling of 20075071520682 in words is "twenty trillion, seventy-five billion, seventy-one million, five hundred twenty thousand, six hundred eighty-two".
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