Base | Representation |
---|---|
bin | 110010010100011000100101… |
… | …111010101010101110001110 |
3 | 1002000120101001000012202210010 |
4 | 302110120211322222232032 |
5 | 213001312242440430110 |
6 | 2102401130021454050 |
7 | 64420423433335044 |
oct | 6224304572525616 |
9 | 1060511030182703 |
10 | 221303121030030 |
11 | 64572143508636 |
12 | 209a203b571326 |
13 | 9663a44149280 |
14 | 3c911b1b3a394 |
15 | 1a8b906d4a020 |
hex | c94625eaab8e |
221303121030030 has 64 divisors (see below), whose sum is σ = 571996134904320. Its totient is φ = 54473406443136.
The previous prime is 221303121030001. The next prime is 221303121030109. The reversal of 221303121030030 is 30030121303122.
221303121030030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 221303121029979 and 221303121030006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11382159 + ... + 23919861.
It is an arithmetic number, because the mean of its divisors is an integer number (8937439607880).
Almost surely, 2221303121030030 is an apocalyptic number.
221303121030030 is an abundant number, since it is smaller than the sum of its proper divisors (350693013874290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
221303121030030 is a wasteful number, since it uses less digits than its factorization.
221303121030030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12582985.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 221303121030030 its reverse (30030121303122), we get a palindrome (251333242333152).
The spelling of 221303121030030 in words is "two hundred twenty-one trillion, three hundred three billion, one hundred twenty-one million, thirty thousand, thirty".
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