Base | Representation |
---|---|
bin | 111101000111000011… |
… | …0001101011000011110 |
3 | 110112201212001201001102 |
4 | 1322032012031120132 |
5 | 4122231122324410 |
6 | 140142042513102 |
7 | 12324035122166 |
oct | 1721606153036 |
9 | 415655051042 |
10 | 131233011230 |
11 | 50723682782 |
12 | 21525805792 |
13 | c4b5486789 |
14 | 64cd14d5a6 |
15 | 36312202a5 |
hex | 1e8e18d61e |
131233011230 has 16 divisors (see below), whose sum is σ = 236235518064. Its totient is φ = 52489627200.
The previous prime is 131233011223. The next prime is 131233011251. The reversal of 131233011230 is 32110332131.
It is a super-2 number, since 2×1312330112302 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 290471 + ... + 588930.
It is an arithmetic number, because the mean of its divisors is an integer number (14764719879).
Almost surely, 2131233011230 is an apocalyptic number.
131233011230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131233011230 is a deficient number, since it is larger than the sum of its proper divisors (105002506834).
131233011230 is a wasteful number, since it uses less digits than its factorization.
131233011230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 894331.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 131233011230 its reverse (32110332131), we get a palindrome (163343343361).
The spelling of 131233011230 in words is "one hundred thirty-one billion, two hundred thirty-three million, eleven thousand, two hundred thirty".
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