Base | Representation |
---|---|
bin | 111101000011011000… |
… | …1000100101110011110 |
3 | 110112102021122121211212 |
4 | 1322012301010232132 |
5 | 4122003131431423 |
6 | 140121530544422 |
7 | 12321012604055 |
oct | 1720661045636 |
9 | 415367577755 |
10 | 131110030238 |
11 | 506702152a0 |
12 | 214b0598112 |
13 | c495b57a65 |
14 | 64baa9939c |
15 | 362552b578 |
hex | 1e86c44b9e |
131110030238 has 32 divisors (see below), whose sum is σ = 219450070368. Its totient is φ = 58245033600.
The previous prime is 131110030237. The next prime is 131110030267. The reversal of 131110030238 is 832030011131.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131110030237) 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, 100445 + ... + 521832.
It is an arithmetic number, because the mean of its divisors is an integer number (6857814699).
Almost surely, 2131110030238 is an apocalyptic number.
131110030238 is a deficient number, since it is larger than the sum of its proper divisors (88340040130).
131110030238 is a wasteful number, since it uses less digits than its factorization.
131110030238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 622508.
The product of its (nonzero) digits is 432, while the sum is 23.
Adding to 131110030238 its reverse (832030011131), we get a palindrome (963140041369).
The spelling of 131110030238 in words is "one hundred thirty-one billion, one hundred ten million, thirty thousand, two hundred thirty-eight".
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