Base | Representation |
---|---|
bin | 1001010110101011111111… |
… | …10001101010111101100100 |
3 | 2200211112200101102122120111 |
4 | 10223111333301222331210 |
5 | 10144012334434424004 |
6 | 111430022442142404 |
7 | 4222121110630144 |
oct | 453257761527544 |
9 | 80745611378514 |
10 | 20570742108004 |
11 | 6611003707300 |
12 | 23828b7ab1a04 |
13 | b62a7453c6ca |
14 | 5118b4872924 |
15 | 25a15b318a04 |
hex | 12b57fc6af64 |
20570742108004 has 243 divisors, whose sum is σ = 42907205597067. Its totient is φ = 8621074598400.
The previous prime is 20570742107983. The next prime is 20570742108017. The reversal of 20570742108004 is 40080124707502.
The square root of 20570742108004 is 4535498.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 2898404100900 + 17672338007104 = 1702470^2 + 4203848^2 .
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 113650508794 + ... + 113650508974.
Almost surely, 220570742108004 is an apocalyptic number.
20570742108004 is the 4535498-th square number.
It is an amenable number.
20570742108004 is an abundant number, since it is smaller than the sum of its proper divisors (22336463489063).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20570742108004 is a wasteful number, since it uses less digits than its factorization.
20570742108004 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 556 (or 278 counting only the distinct ones).
The product of its (nonzero) digits is 125440, while the sum is 40.
The spelling of 20570742108004 in words is "twenty trillion, five hundred seventy billion, seven hundred forty-two million, one hundred eight thousand, four".
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