Base | Representation |
---|---|
bin | 10010101010101100… |
… | …110110010110000000 |
3 | 1220201212212010212000 |
4 | 102222230312112000 |
5 | 312022200042312 |
6 | 13112531104000 |
7 | 1306463042115 |
oct | 225254662600 |
9 | 56655763760 |
10 | 20043752832 |
11 | 85561a3194 |
12 | 3a74742000 |
13 | 1b7578669c |
14 | d8203490c |
15 | 7c4a0eadc |
hex | 4aab36580 |
20043752832 has 256 divisors, whose sum is σ = 62086502400. Its totient is φ = 6357657600.
The previous prime is 20043752831. The next prime is 20043752843. The reversal of 20043752832 is 23825734002.
20043752832 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 375 + 283 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20043752831) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6533763 + ... + 6536829.
It is an arithmetic number, because the mean of its divisors is an integer number (242525400).
Almost surely, 220043752832 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20043752832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31043251200).
20043752832 is an abundant number, since it is smaller than the sum of its proper divisors (42042749568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20043752832 is a wasteful number, since it uses less digits than its factorization.
20043752832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3182 (or 3164 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 36.
The spelling of 20043752832 in words is "twenty billion, forty-three million, seven hundred fifty-two thousand, eight hundred thirty-two".
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