Base | Representation |
---|---|
bin | 111011101001011… |
… | …0100111100000011 |
3 | 12011111000212202200 |
4 | 1313102310330003 |
5 | 13044331033011 |
6 | 530333244243 |
7 | 100411552530 |
oct | 16722647403 |
9 | 5144025680 |
10 | 2001424131 |
11 | 93782a633 |
12 | 47a333683 |
13 | 25b855645 |
14 | 14db49d87 |
15 | baa94856 |
hex | 774b4f03 |
2001424131 has 12 divisors (see below), whose sum is σ = 3303938352. Its totient is φ = 1143670896.
The previous prime is 2001424129. The next prime is 2001424133. The reversal of 2001424131 is 1314241002.
It is an interprime number because it is at equal distance from previous prime (2001424129) and next prime (2001424133).
It is not a de Polignac number, because 2001424131 - 21 = 2001424129 is a prime.
It is a super-2 number, since 2×20014241312 = 8011397104298210322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2001424133) 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 11 ways as a sum of consecutive naturals, for example, 15884256 + ... + 15884381.
It is an arithmetic number, because the mean of its divisors is an integer number (275328196).
Almost surely, 22001424131 is an apocalyptic number.
2001424131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2001424131 is a deficient number, since it is larger than the sum of its proper divisors (1302514221).
2001424131 is a wasteful number, since it uses less digits than its factorization.
2001424131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31768650 (or 31768647 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 2001424131 is about 44737.2789852043. The cubic root of 2001424131 is about 1260.2200277130.
Adding to 2001424131 its reverse (1314241002), we get a palindrome (3315665133).
The spelling of 2001424131 in words is "two billion, one million, four hundred twenty-four thousand, one hundred thirty-one".
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