Base | Representation |
---|---|
bin | 10111111111001… |
… | …11001110101010 |
3 | 112000122021222121 |
4 | 23333213032222 |
5 | 403003201010 |
6 | 31544541454 |
7 | 4662246121 |
oct | 1377471652 |
9 | 460567877 |
10 | 201225130 |
11 | a364a467 |
12 | 5748188a |
13 | 328c5b32 |
14 | 1ca20ab8 |
15 | 129ec3da |
hex | bfe73aa |
201225130 has 32 divisors (see below), whose sum is σ = 373439808. Its totient is φ = 78019200.
The previous prime is 201225097. The next prime is 201225133. The reversal of 201225130 is 31522102.
It is not an unprimeable number, because it can be changed into a prime (201225133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65325 + ... + 68335.
It is an arithmetic number, because the mean of its divisors is an integer number (11669994).
Almost surely, 2201225130 is an apocalyptic number.
201225130 is a deficient number, since it is larger than the sum of its proper divisors (172214678).
201225130 is a wasteful number, since it uses less digits than its factorization.
201225130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3222.
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 201225130 is about 14185.3843797058. The cubic root of 201225130 is about 585.9952183095.
Adding to 201225130 its reverse (31522102), we get a palindrome (232747232).
It can be divided in two parts, 20122 and 5130, that added together give a palindrome (25252).
The spelling of 201225130 in words is "two hundred one million, two hundred twenty-five thousand, one hundred thirty".
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