Base | Representation |
---|---|
bin | 111101000110110010… |
… | …0111111001001111000 |
3 | 110112201020200020111202 |
4 | 1322031210333021320 |
5 | 4122221410132300 |
6 | 140141132113332 |
7 | 12323601110345 |
oct | 1721544771170 |
9 | 415636606452 |
10 | 131224302200 |
11 | 50719774532 |
12 | 21522905848 |
13 | c4b37276c4 |
14 | 64cbd237cc |
15 | 363059ead5 |
hex | 1e8d93f278 |
131224302200 has 48 divisors (see below), whose sum is σ = 323043364080. Its totient is φ = 49402088960.
The previous prime is 131224302193. The next prime is 131224302203. The reversal of 131224302200 is 2203422131.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131224302203) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19294292 + ... + 19301091.
It is an arithmetic number, because the mean of its divisors is an integer number (6730070085).
Almost surely, 2131224302200 is an apocalyptic number.
131224302200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131224302200 is an abundant number, since it is smaller than the sum of its proper divisors (191819061880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131224302200 is a wasteful number, since it uses less digits than its factorization.
131224302200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38595416 (or 38595407 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 131224302200 its reverse (2203422131), we get a palindrome (133427724331).
The spelling of 131224302200 in words is "one hundred thirty-one billion, two hundred twenty-four million, three hundred two thousand, two hundred".
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