Base | Representation |
---|---|
bin | 1111101000001… |
… | …11110101101000 |
3 | 100010200210000120 |
4 | 13310013311220 |
5 | 232030312404 |
6 | 21002003240 |
7 | 3151236465 |
oct | 764076550 |
9 | 303623016 |
10 | 131104104 |
11 | 680064aa |
12 | 37aa6520 |
13 | 212141c1 |
14 | 135aa66c |
15 | b79a9d9 |
hex | 7d07d68 |
131104104 has 64 divisors (see below), whose sum is σ = 348364800. Its totient is φ = 40999104.
The previous prime is 131104093. The next prime is 131104111. The reversal of 131104104 is 401401131.
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, 47449 + ... + 50135.
It is an arithmetic number, because the mean of its divisors is an integer number (5443200).
Almost surely, 2131104104 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131104104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174182400).
131104104 is an abundant number, since it is smaller than the sum of its proper divisors (217260696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131104104 is a wasteful number, since it uses less digits than its factorization.
131104104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2822 (or 2818 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 131104104 is about 11450.0700434539. The cubic root of 131104104 is about 508.0098061637.
Adding to 131104104 its reverse (401401131), we get a palindrome (532505235).
The spelling of 131104104 in words is "one hundred thirty-one million, one hundred four thousand, one hundred four".
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