Base | Representation |
---|---|
bin | 1111100001100… |
… | …10101110110110 |
3 | 100002001102122121 |
4 | 13300302232312 |
5 | 231314344342 |
6 | 20531150154 |
7 | 3140642602 |
oct | 760625666 |
9 | 302042577 |
10 | 130231222 |
11 | 6756a710 |
12 | 3774535a |
13 | 20c99ac4 |
14 | 13420502 |
15 | b677067 |
hex | 7c32bb6 |
130231222 has 16 divisors (see below), whose sum is σ = 213681600. Its totient is φ = 59036040.
The previous prime is 130231181. The next prime is 130231259. The reversal of 130231222 is 222132031.
It is a super-2 number, since 2×1302312222 = 33920342367226568, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 130231196 and 130231205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529 + ... + 16147.
It is an arithmetic number, because the mean of its divisors is an integer number (13355100).
Almost surely, 2130231222 is an apocalyptic number.
130231222 is a deficient number, since it is larger than the sum of its proper divisors (83450378).
130231222 is a wasteful number, since it uses less digits than its factorization.
130231222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16011.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 130231222 is about 11411.8895017433. The cubic root of 130231222 is about 506.8798634365.
Adding to 130231222 its reverse (222132031), we get a palindrome (352363253).
The spelling of 130231222 in words is "one hundred thirty million, two hundred thirty-one thousand, two hundred twenty-two".
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