Base | Representation |
---|---|
bin | 1011111011110110111111… |
… | …0001000011101001001000 |
3 | 1201110112202110010010012210 |
4 | 2332331233301003221020 |
5 | 3210001401024021412 |
6 | 43524342330105120 |
7 | 2523051115254510 |
oct | 276755761035110 |
9 | 51415673103183 |
10 | 13123000220232 |
11 | 41aa484565771 |
12 | 157b3aa27b1a0 |
13 | 742655603316 |
14 | 3352299d0840 |
15 | 17b55cc2683c |
hex | bef6fc43a48 |
13123000220232 has 64 divisors (see below), whose sum is σ = 37536749153280. Its totient is φ = 3745182353472.
The previous prime is 13123000220203. The next prime is 13123000220237. The reversal of 13123000220232 is 23202200032131.
It is a happy number.
It is a super-3 number, since 3×131230002202323 (a number of 40 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 13123000220199 and 13123000220208.
It is not an unprimeable number, because it can be changed into a prime (13123000220237) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44083308 + ... + 44379995.
It is an arithmetic number, because the mean of its divisors is an integer number (586511705520).
Almost surely, 213123000220232 is an apocalyptic number.
13123000220232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13123000220232 is an abundant number, since it is smaller than the sum of its proper divisors (24413748933048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13123000220232 is a wasteful number, since it uses less digits than its factorization.
13123000220232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88464202 (or 88464198 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 13123000220232 its reverse (23202200032131), we get a palindrome (36325200252363).
The spelling of 13123000220232 in words is "thirteen trillion, one hundred twenty-three billion, two hundred twenty thousand, two hundred thirty-two".
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