| Base | Representation |
|---|---|
| bin | 1100110100000110001… |
| … | …0111011111101100100 |
| 3 | 210001020010220121002100 |
| 4 | 3031001202323331210 |
| 5 | 12101323102302021 |
| 6 | 245044324412100 |
| 7 | 21622230464424 |
| oct | 3150142737544 |
| 9 | 701203817070 |
| 10 | 220143009636 |
| 11 | 853a8a98500 |
| 12 | 367b9547030 |
| 13 | 179b4518ca4 |
| 14 | a925392484 |
| 15 | 5ad6a3d626 |
| hex | 33418bbf64 |
220143009636 has 81 divisors (see below), whose sum is σ = 611746026073. Its totient is φ = 66700619040.
The previous prime is 220143009607. The next prime is 220143009637. The reversal of 220143009636 is 636900341022.
The square root of 220143009636 is 469194.
It is a perfect power (a square), and thus also a powerful number.
220143009636 is a `hidden beast` number, since 2 + 2 + 0 + 14 + 3 + 0 + 0 + 9 + 636 = 666.
It can be written as a sum of positive squares in only one way, i.e., 31543891236 + 188599118400 = 177606^2 + 434280^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 220143009636.
It is not an unprimeable number, because it can be changed into a prime (220143009637) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 30963250 + ... + 30970358.
Almost surely, 2220143009636 is an apocalyptic number.
220143009636 is the 469194-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 220143009636
220143009636 is an abundant number, since it is smaller than the sum of its proper divisors (391603016437).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220143009636 is an equidigital number, since it uses as much as digits as its factorization.
220143009636 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14250 (or 7125 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 36.
Multiplying 220143009636 by its sum of digits (36), we get a square (7925148346896 = 28151642).
220143009636 divided by its sum of digits (36) gives a square (6115083601 = 781992).
The spelling of 220143009636 in words is "two hundred twenty billion, one hundred forty-three million, nine thousand, six hundred thirty-six".
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