Base | Representation |
---|---|
bin | 11101011011001000101… |
… | …010011101000001000100 |
3 | 21011022010201222200012112 |
4 | 131123020222131001010 |
5 | 231112024301414340 |
6 | 4144521115040152 |
7 | 266041034425610 |
oct | 35331052350104 |
9 | 7138121880175 |
10 | 2022001201220 |
11 | 70a586a67a10 |
12 | 287a64140058 |
13 | 11889b717030 |
14 | 6dc18864340 |
15 | 378e4797065 |
hex | 1d6c8a9d044 |
2022001201220 has 192 divisors, whose sum is σ = 5751654483456. Its totient is φ = 576605675520.
The previous prime is 2022001201189. The next prime is 2022001201223. The reversal of 2022001201220 is 221021002202.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 2022001201195 and 2022001201204.
It is not an unprimeable number, because it can be changed into a prime (2022001201223) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1815362 + ... + 2709158.
It is an arithmetic number, because the mean of its divisors is an integer number (29956533768).
Almost surely, 22022001201220 is an apocalyptic number.
2022001201220 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 2022001201220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2875827241728).
2022001201220 is an abundant number, since it is smaller than the sum of its proper divisors (3729653282236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2022001201220 is a wasteful number, since it uses less digits than its factorization.
2022001201220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 893950 (or 893948 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 2022001201220 its reverse (221021002202), we get a palindrome (2243022203422).
The spelling of 2022001201220 in words is "two trillion, twenty-two billion, one million, two hundred one thousand, two hundred twenty".
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