Base | Representation |
---|---|
bin | 1101011001111110001… |
… | …1101100011110000101 |
3 | 211000110201021102221122 |
4 | 3112133203230132011 |
5 | 12233133402414341 |
6 | 253445242523325 |
7 | 22432205260412 |
oct | 3263743543605 |
9 | 730421242848 |
10 | 230310201221 |
11 | 89746116a81 |
12 | 38776506545 |
13 | 18944a44399 |
14 | b20b7d7109 |
15 | 5ece42494b |
hex | 359f8ec785 |
230310201221 has 32 divisors (see below), whose sum is σ = 246306977280. Its totient is φ = 215023334400.
The previous prime is 230310201169. The next prime is 230310201223. The reversal of 230310201221 is 122102013032.
It is a cyclic number.
It is not a de Polignac number, because 230310201221 - 218 = 230309939077 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 230310201221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230310201223) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49219760 + ... + 49224438.
It is an arithmetic number, because the mean of its divisors is an integer number (7697093040).
Almost surely, 2230310201221 is an apocalyptic number.
It is an amenable number.
230310201221 is a deficient number, since it is larger than the sum of its proper divisors (15996776059).
230310201221 is a wasteful number, since it uses less digits than its factorization.
230310201221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5285.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 230310201221 its reverse (122102013032), we get a palindrome (352412214253).
The spelling of 230310201221 in words is "two hundred thirty billion, three hundred ten million, two hundred one thousand, two hundred twenty-one".
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