Base | Representation |
---|---|
bin | 1111100000100… |
… | …10111111100111 |
3 | 100001210211022211 |
4 | 13300102333213 |
5 | 231301214343 |
6 | 20524304251 |
7 | 3136561600 |
oct | 760227747 |
9 | 301724284 |
10 | 130101223 |
11 | 67490a7a |
12 | 376a2087 |
13 | 20c52895 |
14 | 133c8da7 |
15 | b64d79d |
hex | 7c12fe7 |
130101223 has 6 divisors (see below), whose sum is σ = 151342296. Its totient is φ = 111515292.
The previous prime is 130101211. The next prime is 130101239. The reversal of 130101223 is 322101031.
It is not a de Polignac number, because 130101223 - 213 = 130093031 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130101263) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1327515 + ... + 1327612.
It is an arithmetic number, because the mean of its divisors is an integer number (25223716).
Almost surely, 2130101223 is an apocalyptic number.
130101223 is a deficient number, since it is larger than the sum of its proper divisors (21241073).
130101223 is an equidigital number, since it uses as much as digits as its factorization.
130101223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2655141 (or 2655134 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 130101223 is about 11406.1923094431. The cubic root of 130101223 is about 506.7111486128.
Adding to 130101223 its reverse (322101031), we get a palindrome (452202254).
The spelling of 130101223 in words is "one hundred thirty million, one hundred one thousand, two hundred twenty-three".
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