Base | Representation |
---|---|
bin | 1111101001111… |
… | …10110110111100 |
3 | 100011010020011101 |
4 | 13310332312330 |
5 | 232110020333 |
6 | 21010502444 |
7 | 3153165514 |
oct | 764766674 |
9 | 304106141 |
10 | 131329468 |
11 | 6814a856 |
12 | 37b94a24 |
13 | 2129295a |
14 | 13628844 |
15 | b7e267d |
hex | 7d3edbc |
131329468 has 36 divisors (see below), whose sum is σ = 238880880. Its totient is φ = 63164992.
The previous prime is 131329441. The next prime is 131329477. The reversal of 131329468 is 864923131.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 786321 + ... + 786487.
It is an arithmetic number, because the mean of its divisors is an integer number (6635580).
Almost surely, 2131329468 is an apocalyptic number.
It is an amenable number.
131329468 is a deficient number, since it is larger than the sum of its proper divisors (107551412).
131329468 is a wasteful number, since it uses less digits than its factorization.
131329468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 354 (or 305 counting only the distinct ones).
The product of its digits is 31104, while the sum is 37.
The square root of 131329468 is about 11459.9069804253. The cubic root of 131329468 is about 508.3007240451.
The spelling of 131329468 in words is "one hundred thirty-one million, three hundred twenty-nine thousand, four hundred sixty-eight".
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