Base | Representation |
---|---|
bin | 1111100111100… |
… | …01111100101010 |
3 | 100010112020000202 |
4 | 13303301330222 |
5 | 232014430232 |
6 | 21000032202 |
7 | 3150414206 |
oct | 763617452 |
9 | 303466022 |
10 | 131014442 |
11 | 67a550a9 |
12 | 37a62662 |
13 | 211b2450 |
14 | 13585b06 |
15 | b77e162 |
hex | 7cf1f2a |
131014442 has 8 divisors (see below), whose sum is σ = 211638756. Its totient is φ = 60468192.
The previous prime is 131014441. The next prime is 131014483. The reversal of 131014442 is 244410131.
It can be written as a sum of positive squares in 2 ways, for example, as 127215841 + 3798601 = 11279^2 + 1949^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (131014441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2519483 + ... + 2519534.
Almost surely, 2131014442 is an apocalyptic number.
131014442 is a deficient number, since it is larger than the sum of its proper divisors (80624314).
131014442 is a wasteful number, since it uses less digits than its factorization.
131014442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5039032.
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 131014442 is about 11446.1540265715. The cubic root of 131014442 is about 507.8939705758.
Adding to 131014442 its reverse (244410131), we get a palindrome (375424573).
The spelling of 131014442 in words is "one hundred thirty-one million, fourteen thousand, four hundred forty-two".
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