Base | Representation |
---|---|
bin | 1001011101000111110101… |
… | …00101000110101011000100 |
3 | 2201121200101110221002022222 |
4 | 10232203322211012223010 |
5 | 10211123200002241200 |
6 | 112115350404311512 |
7 | 4244106214544522 |
oct | 456437245065304 |
9 | 81550343832288 |
10 | 20791845743300 |
11 | 6696854975005 |
12 | 23b97230a2598 |
13 | b7a87ca8aa38 |
14 | 51c48b643312 |
15 | 260c9c35bd85 |
hex | 12e8fa946ac4 |
20791845743300 has 144 divisors (see below), whose sum is σ = 47704398181440. Its totient is φ = 7843998320640.
The previous prime is 20791845743261. The next prime is 20791845743309. The reversal of 20791845743300 is 334754819702.
It is a super-4 number, since 4×207918457433004 (a number of 54 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (20791845743309) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 499867304 + ... + 499908896.
Almost surely, 220791845743300 is an apocalyptic number.
20791845743300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20791845743300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23852199090720).
20791845743300 is an abundant number, since it is smaller than the sum of its proper divisors (26912552438140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20791845743300 is a wasteful number, since it uses less digits than its factorization.
20791845743300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42790 (or 42783 counting only the distinct ones).
The product of its (nonzero) digits is 5080320, while the sum is 53.
The spelling of 20791845743300 in words is "twenty trillion, seven hundred ninety-one billion, eight hundred forty-five million, seven hundred forty-three thousand, three hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •