Base | Representation |
---|---|
bin | 1111101011011… |
… | …01001101011011 |
3 | 100011110212121001 |
4 | 13311231031123 |
5 | 232132104243 |
6 | 21014525431 |
7 | 3154616155 |
oct | 765551533 |
9 | 304425531 |
10 | 131519323 |
11 | 6826a461 |
12 | 38066877 |
13 | 2132b1b0 |
14 | 13677ad5 |
15 | b82da4d |
hex | 7d6d35b |
131519323 has 8 divisors (see below), whose sum is σ = 142151408. Its totient is φ = 120960864.
The previous prime is 131519309. The next prime is 131519357. The reversal of 131519323 is 323915131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131519323 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131519291 and 131519300.
It is not an unprimeable number, because it can be changed into a prime (131519363) 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, 14661 + ... + 21862.
It is an arithmetic number, because the mean of its divisors is an integer number (17768926).
Almost surely, 2131519323 is an apocalyptic number.
131519323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
131519323 is a deficient number, since it is larger than the sum of its proper divisors (10632085).
131519323 is a wasteful number, since it uses less digits than its factorization.
131519323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36813.
The product of its digits is 2430, while the sum is 28.
The square root of 131519323 is about 11468.1874330689. The cubic root of 131519323 is about 508.5455458908.
The spelling of 131519323 in words is "one hundred thirty-one million, five hundred nineteen thousand, three hundred twenty-three".
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