Base | Representation |
---|---|
bin | 1111100111110… |
… | …01010000111101 |
3 | 100010120202010210 |
4 | 13303321100331 |
5 | 232021410123 |
6 | 21000423033 |
7 | 3150600453 |
oct | 763712075 |
9 | 303522123 |
10 | 131044413 |
11 | 67a75675 |
12 | 37a77a79 |
13 | 211c2c96 |
14 | 135929d3 |
15 | b787e93 |
hex | 7cf943d |
131044413 has 8 divisors (see below), whose sum is σ = 178443648. Its totient is φ = 85504064.
The previous prime is 131044393. The next prime is 131044421. The reversal of 131044413 is 314440131.
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 131044413 - 29 = 131043901 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 131044413.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131044453) 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 7 ways as a sum of consecutive naturals, for example, 464556 + ... + 464837.
It is an arithmetic number, because the mean of its divisors is an integer number (22305456).
Almost surely, 2131044413 is an apocalyptic number.
It is an amenable number.
131044413 is a deficient number, since it is larger than the sum of its proper divisors (47399235).
131044413 is an equidigital number, since it uses as much as digits as its factorization.
131044413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 929443.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 131044413 is about 11447.4631687549. The cubic root of 131044413 is about 507.9326964073.
Adding to 131044413 its reverse (314440131), we get a palindrome (445484544).
The spelling of 131044413 in words is "one hundred thirty-one million, forty-four thousand, four hundred thirteen".
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