Base | Representation |
---|---|
bin | 1111101010101… |
… | …00101011010110 |
3 | 100011021202202101 |
4 | 13311110223112 |
5 | 232120400323 |
6 | 21012432314 |
7 | 3154020205 |
oct | 765245326 |
9 | 304252671 |
10 | 131418838 |
11 | 68200a11 |
12 | 3801869a |
13 | 212c4535 |
14 | 1364d23c |
15 | b80ddad |
hex | 7d54ad6 |
131418838 has 16 divisors (see below), whose sum is σ = 199249920. Its totient is φ = 65005416.
The previous prime is 131418821. The next prime is 131418841. The reversal of 131418838 is 838814131.
It is a junction number, because it is equal to n+sod(n) for n = 131418797 and 131418806.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142543 + ... + 143461.
It is an arithmetic number, because the mean of its divisors is an integer number (12453120).
Almost surely, 2131418838 is an apocalyptic number.
131418838 is a deficient number, since it is larger than the sum of its proper divisors (67831082).
131418838 is a wasteful number, since it uses less digits than its factorization.
131418838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1611.
The product of its digits is 18432, while the sum is 37.
The square root of 131418838 is about 11463.8055635989. The cubic root of 131418838 is about 508.4159978318.
The spelling of 131418838 in words is "one hundred thirty-one million, four hundred eighteen thousand, eight hundred thirty-eight".
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