| Base | Representation |
|---|---|
| bin | 110010000010111000010011… |
| … | …100110111101011110100000 |
| 3 | 1001212022101010222102001202200 |
| 4 | 302002320103212331132200 |
| 5 | 212322110224043444300 |
| 6 | 2100040351355013200 |
| 7 | 64234500465134601 |
| oct | 6202702346753640 |
| 9 | 1055271128361680 |
| 10 | 220100223031200 |
| 11 | 64148a8699a096 |
| 12 | 20828a9343a200 |
| 13 | 95a7492341675 |
| 14 | 3c4cc9c79bda8 |
| 15 | 1a6a4a2a18200 |
| hex | c82e139bd7a0 |
220100223031200 has 864 divisors, whose sum is σ = 852813845170560. Its totient is φ = 53166987878400.
The previous prime is 220100223031123. The next prime is 220100223031207. The reversal of 220100223031200 is 2130322001022.
220100223031200 is a `hidden beast` number, since 2 + 20 + 100 + 2 + 230 + 312 + 0 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (220100223031207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 9631118974 + ... + 9631141826.
It is an arithmetic number, because the mean of its divisors is an integer number (987053061540).
Almost surely, 2220100223031200 is an apocalyptic number.
220100223031200 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 220100223031200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426406922585280).
220100223031200 is an abundant number, since it is smaller than the sum of its proper divisors (632713622139360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220100223031200 is a wasteful number, since it uses less digits than its factorization.
220100223031200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25982 (or 25966 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 220100223031200 its reverse (2130322001022), we get a palindrome (222230545032222).
The spelling of 220100223031200 in words is "two hundred twenty trillion, one hundred billion, two hundred twenty-three million, thirty-one thousand, two hundred".
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