Base | Representation |
---|---|
bin | 1001000110000110011101… |
… | …00101110000110000000000 |
3 | 2121211001122111021200000000 |
4 | 10203003032211300300000 |
5 | 10110143201414020210 |
6 | 110312131200000000 |
7 | 4133004206453100 |
oct | 443031645606000 |
9 | 77731574250000 |
10 | 20000833735680 |
11 | 641134024aa96 |
12 | 22b0366900000 |
13 | b210bbc49065 |
14 | 4d208cc89200 |
15 | 24a403173ac0 |
hex | 1230ce970c00 |
20000833735680 has 2376 divisors, whose sum is σ = 86806795748400. Its totient is φ = 4403442548736.
The previous prime is 20000833735643. The next prime is 20000833735681. The reversal of 20000833735680 is 8653733800002.
20000833735680 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 0 + 83 + 3 + 7 + 3 + 568 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (20000833735681) by changing a digit.
It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 47734686511 + ... + 47734686929.
Almost surely, 220000833735680 is an apocalyptic number.
20000833735680 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 20000833735680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43403397874200).
20000833735680 is an abundant number, since it is smaller than the sum of its proper divisors (66805962012720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20000833735680 is an frugal number, since it uses more digits than its factorization.
20000833735680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 511 (or 465 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 45.
The spelling of 20000833735680 in words is "twenty trillion, eight hundred thirty-three million, seven hundred thirty-five thousand, six hundred eighty".
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