Base | Representation |
---|---|
bin | 1001010110000101000010… |
… | …11011111110010010000000 |
3 | 2200202112201010101112222000 |
4 | 10223002201123332102000 |
5 | 10143142023443240312 |
6 | 111412243522144000 |
7 | 4220450665002660 |
oct | 453024133762200 |
9 | 80675633345860 |
10 | 20549832008832 |
11 | 6603153488305 |
12 | 237a8411b2000 |
13 | b60ac1443669 |
14 | 51088d7621a0 |
15 | 259835728adc |
hex | 12b0a16fe480 |
20549832008832 has 512 divisors, whose sum is σ = 73886776320000. Its totient is φ = 5491941212160.
The previous prime is 20549832008747. The next prime is 20549832008833. The reversal of 20549832008832 is 23880023894502.
20549832008832 is a `hidden beast` number, since 20 + 5 + 498 + 3 + 20 + 0 + 88 + 32 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (20549832008833) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36029232 + ... + 36595152.
It is an arithmetic number, because the mean of its divisors is an integer number (144310110000).
Almost surely, 220549832008832 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 20549832008832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36943388160000).
20549832008832 is an abundant number, since it is smaller than the sum of its proper divisors (53336944311168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20549832008832 is a wasteful number, since it uses less digits than its factorization.
20549832008832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 566049 (or 566031 counting only the distinct ones).
The product of its (nonzero) digits is 6635520, while the sum is 54.
The spelling of 20549832008832 in words is "twenty trillion, five hundred forty-nine billion, eight hundred thirty-two million, eight thousand, eight hundred thirty-two".
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