Base | Representation |
---|---|
bin | 1111101001111… |
… | …10110010111011 |
3 | 100011010012210212 |
4 | 13310332302323 |
5 | 232110013321 |
6 | 21010501335 |
7 | 3153164666 |
oct | 764766273 |
9 | 304105725 |
10 | 131329211 |
11 | 6814a642 |
12 | 37b9484b |
13 | 212927c0 |
14 | 136286dd |
15 | b7e255b |
hex | 7d3ecbb |
131329211 has 8 divisors (see below), whose sum is σ = 141524544. Its totient is φ = 121147200.
The previous prime is 131329207. The next prime is 131329213. The reversal of 131329211 is 112923131.
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 131329211 - 22 = 131329207 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131329213) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 28415 + ... + 32711.
It is an arithmetic number, because the mean of its divisors is an integer number (17690568).
Almost surely, 2131329211 is an apocalyptic number.
131329211 is a deficient number, since it is larger than the sum of its proper divisors (10195333).
131329211 is a wasteful number, since it uses less digits than its factorization.
131329211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6661.
The product of its digits is 324, while the sum is 23.
The square root of 131329211 is about 11459.8957674143. The cubic root of 131329211 is about 508.3003924786.
The spelling of 131329211 in words is "one hundred thirty-one million, three hundred twenty-nine thousand, two hundred eleven".
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