Base | Representation |
---|---|
bin | 1111101000111… |
… | …11010010000110 |
3 | 100010212122202020 |
4 | 13310133102012 |
5 | 232041401014 |
6 | 21004024010 |
7 | 3152116452 |
oct | 764372206 |
9 | 303778666 |
10 | 131200134 |
11 | 6807166a |
12 | 37b32006 |
13 | 21248b20 |
14 | 135d3662 |
15 | b7b91a9 |
hex | 7d1f486 |
131200134 has 32 divisors (see below), whose sum is σ = 283557120. Its totient is φ = 40230432.
The previous prime is 131200117. The next prime is 131200141. The reversal of 131200134 is 431002131.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21207 + ... + 26685.
It is an arithmetic number, because the mean of its divisors is an integer number (8861160).
Almost surely, 2131200134 is an apocalyptic number.
131200134 is an abundant number, since it is smaller than the sum of its proper divisors (152356986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131200134 is a wasteful number, since it uses less digits than its factorization.
131200134 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5804.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 131200134 is about 11454.2626999733. The cubic root of 131200134 is about 508.1338101016.
Adding to 131200134 its reverse (431002131), we get a palindrome (562202265).
The spelling of 131200134 in words is "one hundred thirty-one million, two hundred thousand, one hundred thirty-four".
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