Base | Representation |
---|---|
bin | 11101111000100111011101… |
… | …100110100100111001001100 |
3 | 122020100222011021202220012022 |
4 | 131320213131212210321030 |
5 | 114211403324044232340 |
6 | 1143311541314025312 |
7 | 36453536226360422 |
oct | 3570473546447114 |
9 | 566328137686168 |
10 | 131434012102220 |
11 | 38973940399303 |
12 | 128a8960878238 |
13 | 5845235822219 |
14 | 24656239d7112 |
15 | 102dd786983b5 |
hex | 7789dd9a4e4c |
131434012102220 has 96 divisors (see below), whose sum is σ = 280060519200000. Its totient is φ = 51805086547968.
The previous prime is 131434012102171. The next prime is 131434012102223. The reversal of 131434012102220 is 22201210434131.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 131434012102220.
It is not an unprimeable number, because it can be changed into a prime (131434012102223) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1809128456 + ... + 1809201104.
It is an arithmetic number, because the mean of its divisors is an integer number (2917297075000).
Almost surely, 2131434012102220 is an apocalyptic number.
131434012102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131434012102220 is an abundant number, since it is smaller than the sum of its proper divisors (148626507097780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131434012102220 is a wasteful number, since it uses less digits than its factorization.
131434012102220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74995 (or 74993 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 26.
Adding to 131434012102220 its reverse (22201210434131), we get a palindrome (153635222536351).
The spelling of 131434012102220 in words is "one hundred thirty-one trillion, four hundred thirty-four billion, twelve million, one hundred two thousand, two hundred twenty".
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