Base | Representation |
---|---|
bin | 1011101101101001010… |
… | …0000110111111100110 |
3 | 201020102011000010200221 |
4 | 2323122110012333212 |
5 | 11244110141401410 |
6 | 232235550554554 |
7 | 20352460660024 |
oct | 2733224067746 |
9 | 636364003627 |
10 | 201231200230 |
11 | 78383848155 |
12 | 32bbbb08a5a |
13 | 15c8c418a18 |
14 | 9a4d813714 |
15 | 537b5c44da |
hex | 2eda506fe6 |
201231200230 has 32 divisors (see below), whose sum is σ = 364589196480. Its totient is φ = 79965325440.
The previous prime is 201231200207. The next prime is 201231200243. The reversal of 201231200230 is 32002132102.
It is a congruent number.
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, 14294095 + ... + 14308165.
It is an arithmetic number, because the mean of its divisors is an integer number (11393412390).
Almost surely, 2201231200230 is an apocalyptic number.
201231200230 is a deficient number, since it is larger than the sum of its proper divisors (163357996250).
201231200230 is a wasteful number, since it uses less digits than its factorization.
201231200230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23344.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 201231200230 its reverse (32002132102), we get a palindrome (233233332332).
The spelling of 201231200230 in words is "two hundred one billion, two hundred thirty-one million, two hundred thousand, two hundred thirty".
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