Base | Representation |
---|---|
bin | 10001011110101110010… |
… | …011011111010001111110 |
3 | 11020211120002202201011220 |
4 | 101132232103133101332 |
5 | 124140044334020110 |
6 | 2315455530054210 |
7 | 152533233254565 |
oct | 21365623372176 |
9 | 4224502681156 |
10 | 1201220220030 |
11 | 4234865534a6 |
12 | 17497a27a366 |
13 | 8937533b7ac |
14 | 421d45dcbdc |
15 | 213a6dbc370 |
hex | 117ae4df47e |
1201220220030 has 16 divisors (see below), whose sum is σ = 2882928528144. Its totient is φ = 320325392000.
The previous prime is 1201220220029. The next prime is 1201220220059. The reversal of 1201220220030 is 300220221021.
It is a happy number.
It is a super-2 number, since 2×12012202200302 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 1201220219991 and 1201220220009.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20020336971 + ... + 20020337030.
It is an arithmetic number, because the mean of its divisors is an integer number (180183033009).
Almost surely, 21201220220030 is an apocalyptic number.
1201220220030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1201220220030 is an abundant number, since it is smaller than the sum of its proper divisors (1681708308114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1201220220030 is a wasteful number, since it uses less digits than its factorization.
1201220220030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40040674011.
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 1201220220030 its reverse (300220221021), we get a palindrome (1501440441051).
Subtracting from 1201220220030 its reverse (300220221021), we obtain a palindrome (900999999009).
The spelling of 1201220220030 in words is "one trillion, two hundred one billion, two hundred twenty million, two hundred twenty thousand, thirty".
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