Base | Representation |
---|---|
bin | 111011100111100… |
… | …0101001100010011 |
3 | 12011102011222201022 |
4 | 1313033011030103 |
5 | 13044103122011 |
6 | 530300230055 |
7 | 100400322542 |
oct | 16717051423 |
9 | 5142158638 |
10 | 2000442131 |
11 | 937219866 |
12 | 479b3b32b |
13 | 25b5a068c |
14 | 14d972159 |
15 | ba94d8db |
hex | 773c5313 |
2000442131 has 4 divisors (see below), whose sum is σ = 2006752992. Its totient is φ = 1994131272.
The previous prime is 2000442097. The next prime is 2000442133. The reversal of 2000442131 is 1312440002.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1312440002 = 2 ⋅656220001.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2000442131 is a prime.
It is a super-2 number, since 2×20004421312 = 8003537438959642322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2000442133) 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, 3154955 + ... + 3155588.
It is an arithmetic number, because the mean of its divisors is an integer number (501688248).
Almost surely, 22000442131 is an apocalyptic number.
2000442131 is a deficient number, since it is larger than the sum of its proper divisors (6310861).
2000442131 is an equidigital number, since it uses as much as digits as its factorization.
2000442131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6310860.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 2000442131 is about 44726.3024516894. The cubic root of 2000442131 is about 1260.0138847466.
Adding to 2000442131 its reverse (1312440002), we get a palindrome (3312882133).
The spelling of 2000442131 in words is "two billion, four hundred forty-two thousand, one hundred thirty-one".
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