Base | Representation |
---|---|
bin | 1111101000001… |
… | …11110100101100 |
3 | 100010200202221100 |
4 | 13310013310230 |
5 | 232030312134 |
6 | 21002003100 |
7 | 3151236351 |
oct | 764076454 |
9 | 303622840 |
10 | 131104044 |
11 | 68006455 |
12 | 37aa6490 |
13 | 21214176 |
14 | 135aa628 |
15 | b79a999 |
hex | 7d07d2c |
131104044 has 36 divisors (see below), whose sum is σ = 331760520. Its totient is φ = 43654080.
The previous prime is 131104027. The next prime is 131104079. The reversal of 131104044 is 440401131.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 52087 + ... + 54545.
It is an arithmetic number, because the mean of its divisors is an integer number (9215570).
Almost surely, 2131104044 is an apocalyptic number.
It is an amenable number.
131104044 is an abundant number, since it is smaller than the sum of its proper divisors (200656476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131104044 is a wasteful number, since it uses less digits than its factorization.
131104044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3950 (or 3945 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 131104044 is about 11450.0674233823. The cubic root of 131104044 is about 508.0097286665.
Adding to 131104044 its reverse (440401131), we get a palindrome (571505175).
The spelling of 131104044 in words is "one hundred thirty-one million, one hundred four thousand, forty-four".
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