Base | Representation |
---|---|
bin | 1111100111101… |
… | …11001111110010 |
3 | 100010120022210121 |
4 | 13303313033302 |
5 | 232021124041 |
6 | 21000320454 |
7 | 3150534403 |
oct | 763671762 |
9 | 303508717 |
10 | 131036146 |
11 | 67a6a43a |
12 | 37a7312a |
13 | 211bc2a7 |
14 | 1358d9aa |
15 | b7857d1 |
hex | 7cf73f2 |
131036146 has 8 divisors (see below), whose sum is σ = 196611804. Its totient is φ = 65498880.
The previous prime is 131036117. The next prime is 131036183. The reversal of 131036146 is 641630131.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 130530625 + 505521 = 11425^2 + 711^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 131036146.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1506 + ... + 16258.
Almost surely, 2131036146 is an apocalyptic number.
131036146 is a deficient number, since it is larger than the sum of its proper divisors (65575658).
131036146 is a wasteful number, since it uses less digits than its factorization.
131036146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19196.
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 131036146 is about 11447.1020786922. The cubic root of 131036146 is about 507.9220151229.
Adding to 131036146 its reverse (641630131), we get a palindrome (772666277).
The spelling of 131036146 in words is "one hundred thirty-one million, thirty-six thousand, one hundred forty-six".
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