Base | Representation |
---|---|
bin | 11101000110010010… |
… | …111100001001001101 |
3 | 2222122110100211011100 |
4 | 131012102330021031 |
5 | 1002442000004013 |
6 | 22204154213313 |
7 | 2154154550322 |
oct | 350622741115 |
9 | 88573324140 |
10 | 31244141133 |
11 | 12283559747 |
12 | 607b724239 |
13 | 2c3c072c9a |
14 | 1725788b49 |
15 | c2ce83473 |
hex | 7464bc24d |
31244141133 has 24 divisors (see below), whose sum is σ = 47123013600. Its totient is φ = 19923198624.
The previous prime is 31244141129. The next prime is 31244141147. The reversal of 31244141133 is 33114144213.
31244141133 is a `hidden beast` number, since 3 + 1 + 244 + 1 + 411 + 3 + 3 = 666.
It is not a de Polignac number, because 31244141133 - 22 = 31244141129 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31244141097 and 31244141106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31244141153) 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 23 ways as a sum of consecutive naturals, for example, 531463 + ... + 587316.
It is an arithmetic number, because the mean of its divisors is an integer number (1963458900).
Almost surely, 231244141133 is an apocalyptic number.
It is an amenable number.
31244141133 is a deficient number, since it is larger than the sum of its proper divisors (15878872467).
31244141133 is a wasteful number, since it uses less digits than its factorization.
31244141133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1118921 (or 1118918 counting only the distinct ones).
The product of its digits is 3456, while the sum is 27.
Adding to 31244141133 its reverse (33114144213), we get a palindrome (64358285346).
The spelling of 31244141133 in words is "thirty-one billion, two hundred forty-four million, one hundred forty-one thousand, one hundred thirty-three".
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