Base | Representation |
---|---|
bin | 1111101100111… |
… | …11101011110111 |
3 | 100011212101012101 |
4 | 13312133223313 |
5 | 232210213241 |
6 | 21023202531 |
7 | 3156440011 |
oct | 766375367 |
9 | 304771171 |
10 | 131726071 |
11 | 683a0824 |
12 | 38146447 |
13 | 213a1329 |
14 | 136cd1b1 |
15 | b86ee31 |
hex | 7d9faf7 |
131726071 has 8 divisors (see below), whose sum is σ = 138078864. Its totient is φ = 125522880.
The previous prime is 131726053. The next prime is 131726113. The reversal of 131726071 is 170627131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131726071 - 25 = 131726039 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131726971) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35596 + ... + 39121.
It is an arithmetic number, because the mean of its divisors is an integer number (17259858).
Almost surely, 2131726071 is an apocalyptic number.
131726071 is a deficient number, since it is larger than the sum of its proper divisors (6352793).
131726071 is an equidigital number, since it uses as much as digits as its factorization.
131726071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74801.
The product of its (nonzero) digits is 1764, while the sum is 28.
The square root of 131726071 is about 11477.1978723032. The cubic root of 131726071 is about 508.8118837604.
The spelling of 131726071 in words is "one hundred thirty-one million, seven hundred twenty-six thousand, seventy-one".
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