Base | Representation |
---|---|
bin | 111101000110111101… |
… | …1100111001011110010 |
3 | 110112201122211120111020 |
4 | 1322031323213023302 |
5 | 4122224414431310 |
6 | 140141503200310 |
7 | 12324002402310 |
oct | 1721573471362 |
9 | 415648746436 |
10 | 131230233330 |
11 | 50722055699 |
12 | 215248a6096 |
13 | c4b4a23251 |
14 | 64cca290b0 |
15 | 3630d72170 |
hex | 1e8dee72f2 |
131230233330 has 64 divisors (see below), whose sum is σ = 381119074560. Its totient is φ = 28231041024.
The previous prime is 131230233293. The next prime is 131230233373. The reversal of 131230233330 is 33332032131.
It is a self number, because there is not a number n which added to its sum of digits gives 131230233330.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18376015 + ... + 18383154.
It is an arithmetic number, because the mean of its divisors is an integer number (5954985540).
Almost surely, 2131230233330 is an apocalyptic number.
131230233330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131230233330 is an abundant number, since it is smaller than the sum of its proper divisors (249888841230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131230233330 is a wasteful number, since it uses less digits than its factorization.
131230233330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36759203.
The product of its (nonzero) digits is 2916, while the sum is 24.
Adding to 131230233330 its reverse (33332032131), we get a palindrome (164562265461).
The spelling of 131230233330 in words is "one hundred thirty-one billion, two hundred thirty million, two hundred thirty-three thousand, three hundred thirty".
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