Base | Representation |
---|---|
bin | 11101110101101001110000… |
… | …010001100001101001011000 |
3 | 122012122111101020121200221021 |
4 | 131311221300101201221120 |
5 | 114200034140441420230 |
6 | 1143034212453252224 |
7 | 36433035345455416 |
oct | 3565516021415130 |
9 | 565574336550837 |
10 | 131230314404440 |
11 | 388a5511350029 |
12 | 12875392934074 |
13 | 582bc724072c4 |
14 | 245981c7b42b6 |
15 | 10289057b4c7a |
hex | 775a70461a58 |
131230314404440 has 32 divisors (see below), whose sum is σ = 295268863934160. Its totient is φ = 52492009046400.
The previous prime is 131230314404417. The next prime is 131230314404489. The reversal of 131230314404440 is 44404413032131.
It is a junction number, because it is equal to n+sod(n) for n = 131230314404396 and 131230314404405.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15854650 + ... + 22667830.
Almost surely, 2131230314404440 is an apocalyptic number.
131230314404440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131230314404440 is an abundant number, since it is smaller than the sum of its proper divisors (164038549529720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131230314404440 is a wasteful number, since it uses less digits than its factorization.
131230314404440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7294723 (or 7294719 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 34.
Adding to 131230314404440 its reverse (44404413032131), we get a palindrome (175634727436571).
The spelling of 131230314404440 in words is "one hundred thirty-one trillion, two hundred thirty billion, three hundred fourteen million, four hundred four thousand, four hundred forty".
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