Base | Representation |
---|---|
bin | 1001011001000001001011… |
… | …00100100100000000000000 |
3 | 2201010012102001202122020000 |
4 | 10230200211210210000000 |
5 | 10201320401233211200 |
6 | 111530510050120000 |
7 | 4230654616060650 |
oct | 454404544440000 |
9 | 81105361678200 |
10 | 20650833100800 |
11 | 6641a72a12641 |
12 | 239632a280000 |
13 | b6a4994832c6 |
14 | 515711736360 |
15 | 25c2977ad300 |
hex | 12c825924000 |
20650833100800 has 900 divisors, whose sum is σ = 87432558333120. Its totient is φ = 4720137338880.
The previous prime is 20650833100783. The next prime is 20650833100831. The reversal of 20650833100800 is 800133805602.
It is a tau number, because it is divible by the number of its divisors (900).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 232198741 + ... + 232287659.
Almost surely, 220650833100800 is an apocalyptic number.
20650833100800 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 20650833100800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43716279166560).
20650833100800 is an abundant number, since it is smaller than the sum of its proper divisors (66781725232320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20650833100800 is an frugal number, since it uses more digits than its factorization.
20650833100800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88976 (or 88936 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The spelling of 20650833100800 in words is "twenty trillion, six hundred fifty billion, eight hundred thirty-three million, one hundred thousand, eight hundred".
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