Base | Representation |
---|---|
bin | 111101000110111101… |
… | …1001110000000011000 |
3 | 110112201122122100000121 |
4 | 1322031323032000120 |
5 | 4122224403131300 |
6 | 140141501043024 |
7 | 12324001462531 |
oct | 1721573160030 |
9 | 415648570017 |
10 | 131230130200 |
11 | 50721a95164 |
12 | 21524856474 |
13 | c4b49b8320 |
14 | 64cc9dd688 |
15 | 3630d5181a |
hex | 1e8dece018 |
131230130200 has 48 divisors (see below), whose sum is σ = 328580063280. Its totient is φ = 48454200960.
The previous prime is 131230130197. The next prime is 131230130263. The reversal of 131230130200 is 2031032131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25233964 + ... + 25239163.
It is an arithmetic number, because the mean of its divisors is an integer number (6845417985).
Almost surely, 2131230130200 is an apocalyptic number.
131230130200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131230130200 is an abundant number, since it is smaller than the sum of its proper divisors (197349933080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131230130200 is a wasteful number, since it uses less digits than its factorization.
131230130200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50473156 (or 50473147 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 131230130200 its reverse (2031032131), we get a palindrome (133261162331).
The spelling of 131230130200 in words is "one hundred thirty-one billion, two hundred thirty million, one hundred thirty thousand, two hundred".
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