Base | Representation |
---|---|
bin | 1111101001100… |
… | …00011011011001 |
3 | 100011000020002020 |
4 | 13310300123121 |
5 | 232101122421 |
6 | 21005325053 |
7 | 3152531265 |
oct | 764603331 |
9 | 304006066 |
10 | 131270361 |
11 | 6810a402 |
12 | 37b66789 |
13 | 21271a91 |
14 | 136110a5 |
15 | b7cedc6 |
hex | 7d306d9 |
131270361 has 8 divisors (see below), whose sum is σ = 182637120. Its totient is φ = 83708592.
The previous prime is 131270333. The next prime is 131270383. The reversal of 131270361 is 163072131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131270361 - 25 = 131270329 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (131270261) 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, 951166 + ... + 951303.
It is an arithmetic number, because the mean of its divisors is an integer number (22829640).
Almost surely, 2131270361 is an apocalyptic number.
It is an amenable number.
131270361 is a deficient number, since it is larger than the sum of its proper divisors (51366759).
131270361 is a wasteful number, since it uses less digits than its factorization.
131270361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1902495.
The product of its (nonzero) digits is 756, while the sum is 24.
The square root of 131270361 is about 11457.3278298214. The cubic root of 131270361 is about 508.2244562184.
The spelling of 131270361 in words is "one hundred thirty-one million, two hundred seventy thousand, three hundred sixty-one".
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