Base | Representation |
---|---|
bin | 10111111111001… |
… | …10101111011010 |
3 | 112000122012020112 |
4 | 23333212233122 |
5 | 403003120010 |
6 | 31544524322 |
7 | 4662240233 |
oct | 1377465732 |
9 | 460565215 |
10 | 201223130 |
11 | a3648a09 |
12 | 574806a2 |
13 | 328c4c54 |
14 | 1ca2008a |
15 | 129eba05 |
hex | bfe6bda |
201223130 has 32 divisors (see below), whose sum is σ = 367960320. Its totient is φ = 79220160.
The previous prime is 201223117. The next prime is 201223157. The reversal of 201223130 is 31322102.
It is a happy number.
201223130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193151 + ... + 194189.
It is an arithmetic number, because the mean of its divisors is an integer number (11498760).
Almost surely, 2201223130 is an apocalyptic number.
201223130 is a deficient number, since it is larger than the sum of its proper divisors (166737190).
201223130 is a wasteful number, since it uses less digits than its factorization.
201223130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1334.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 201223130 is about 14185.3138844370. The cubic root of 201223130 is about 585.9932768781.
Adding to 201223130 its reverse (31322102), we get a palindrome (232545232).
The spelling of 201223130 in words is "two hundred one million, two hundred twenty-three thousand, one hundred thirty".
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