Base | Representation |
---|---|
bin | 1111101001001… |
… | …00101001011110 |
3 | 100010220202220011 |
4 | 13310210221132 |
5 | 232043101420 |
6 | 21004313434 |
7 | 3152240515 |
oct | 764445136 |
9 | 303822804 |
10 | 131222110 |
11 | 68087128 |
12 | 37b4287a |
13 | 21255b26 |
14 | 135db67c |
15 | b7c095a |
hex | 7d24a5e |
131222110 has 8 divisors (see below), whose sum is σ = 236199816. Its totient is φ = 52488840.
The previous prime is 131222093. The next prime is 131222123. The reversal of 131222110 is 11222131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6561096 + ... + 6561115.
It is an arithmetic number, because the mean of its divisors is an integer number (29524977).
Almost surely, 2131222110 is an apocalyptic number.
131222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131222110 is a deficient number, since it is larger than the sum of its proper divisors (104977706).
131222110 is a wasteful number, since it uses less digits than its factorization.
131222110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13122218.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 131222110 is about 11455.2219533277. The cubic root of 131222110 is about 508.1621792931.
Adding to 131222110 its reverse (11222131), we get a palindrome (142444241).
The spelling of 131222110 in words is "one hundred thirty-one million, two hundred twenty-two thousand, one hundred ten".
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