| Base | Representation |
|---|---|
| bin | 101111110000001100011000… |
| … | …110000101011101101001100 |
| 3 | 1000112121201101101022210001200 |
| 4 | 233300030120300223231030 |
| 5 | 210011432000413102340 |
| 6 | 2022401511002505500 |
| 7 | 62144305624365306 |
| oct | 5760143060535514 |
| 9 | 1015551341283050 |
| 10 | 210020021222220 |
| 11 | 60a11a99850a10 |
| 12 | 1b67b354205290 |
| 13 | 9025a59312851 |
| 14 | 39c1047ba0976 |
| 15 | 1943181a41330 |
| hex | bf0318c2bb4c |
210020021222220 has 288 divisors, whose sum is σ = 698157042186240. Its totient is φ = 50680895892480.
The previous prime is 210020021222203. The next prime is 210020021222233. The reversal of 210020021222220 is 22222120020012.
210020021222220 is a `hidden beast` number, since 2 + 1 + 0 + 0 + 200 + 21 + 222 + 220 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 210020021222193 and 210020021222202.
It is an unprimeable number.
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 95 ways as a sum of consecutive naturals, for example, 7937551351 + ... + 7937577809.
It is an arithmetic number, because the mean of its divisors is an integer number (2424156396480).
Almost surely, 2210020021222220 is an apocalyptic number.
210020021222220 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 210020021222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349078521093120).
210020021222220 is an abundant number, since it is smaller than the sum of its proper divisors (488137020964020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210020021222220 is a wasteful number, since it uses less digits than its factorization.
210020021222220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44685 (or 44680 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 210020021222220 its reverse (22222120020012), we get a palindrome (232242141242232).
The spelling of 210020021222220 in words is "two hundred ten trillion, twenty billion, twenty-one million, two hundred twenty-two thousand, two hundred twenty".
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