Base | Representation |
---|---|
bin | 1111101001010… |
… | …01010010100010 |
3 | 100010221201222022 |
4 | 13310221102202 |
5 | 232044203442 |
6 | 21004541442 |
7 | 3152350115 |
oct | 764512242 |
9 | 303851868 |
10 | 131241122 |
11 | 6809a441 |
12 | 37b51882 |
13 | 2126168c |
14 | 1360457c |
15 | b7c63d2 |
hex | 7d294a2 |
131241122 has 8 divisors (see below), whose sum is σ = 208441836. Its totient is φ = 61760512.
The previous prime is 131241107. The next prime is 131241127. The reversal of 131241122 is 221142131.
It can be written as a sum of positive squares in 2 ways, for example, as 108764041 + 22477081 = 10429^2 + 4741^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a self number, because there is not a number n which added to its sum of digits gives 131241122.
It is not an unprimeable number, because it can be changed into a prime (131241127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1929983 + ... + 1930050.
Almost surely, 2131241122 is an apocalyptic number.
131241122 is a deficient number, since it is larger than the sum of its proper divisors (77200714).
131241122 is a wasteful number, since it uses less digits than its factorization.
131241122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3860052.
The product of its digits is 96, while the sum is 17.
The square root of 131241122 is about 11456.0517631512. The cubic root of 131241122 is about 508.1867196515.
Adding to 131241122 its reverse (221142131), we get a palindrome (352383253).
The spelling of 131241122 in words is "one hundred thirty-one million, two hundred forty-one thousand, one hundred twenty-two".
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