Base | Representation |
---|---|
bin | 1111101001101… |
… | …01010011111011 |
3 | 100011001020112001 |
4 | 13310311103323 |
5 | 232102242423 |
6 | 21010001431 |
7 | 3152643511 |
oct | 764652373 |
9 | 304036461 |
10 | 131290363 |
11 | 68123436 |
12 | 37b76277 |
13 | 2127ac09 |
14 | 136184b1 |
15 | b7d5cad |
hex | 7d354fb |
131290363 has 8 divisors (see below), whose sum is σ = 135852416. Its totient is φ = 126748800.
The previous prime is 131290343. The next prime is 131290387. The reversal of 131290363 is 363092131.
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 131290363 - 25 = 131290331 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131290333) 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, 8533 + ... + 18313.
It is an arithmetic number, because the mean of its divisors is an integer number (16981552).
Almost surely, 2131290363 is an apocalyptic number.
131290363 is a deficient number, since it is larger than the sum of its proper divisors (4562053).
131290363 is an equidigital number, since it uses as much as digits as its factorization.
131290363 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10245.
The product of its (nonzero) digits is 2916, while the sum is 28.
The square root of 131290363 is about 11458.2006877171. The cubic root of 131290363 is about 508.2502680601.
The spelling of 131290363 in words is "one hundred thirty-one million, two hundred ninety thousand, three hundred sixty-three".
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