Base | Representation |
---|---|
bin | 11101000000010110… |
… | …000101011101010111 |
3 | 2222101111111111012100 |
4 | 131000112011131113 |
5 | 1002240420134143 |
6 | 22150230253143 |
7 | 2151533126343 |
oct | 350026053527 |
9 | 88344444170 |
10 | 31144302423 |
11 | 12232168413 |
12 | 60521b71b3 |
13 | 2c24487a20 |
14 | 17163da623 |
15 | c243116d3 |
hex | 740585757 |
31144302423 has 24 divisors (see below), whose sum is σ = 48488993280. Its totient is φ = 19148990400.
The previous prime is 31144302403. The next prime is 31144302439. The reversal of 31144302423 is 32420344113.
31144302423 is a `hidden beast` number, since 311 + 4 + 4 + 302 + 42 + 3 = 666.
It is not a de Polignac number, because 31144302423 - 26 = 31144302359 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31144302403) 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, 19033 + ... + 250301.
It is an arithmetic number, because the mean of its divisors is an integer number (2020374720).
Almost surely, 231144302423 is an apocalyptic number.
31144302423 is a deficient number, since it is larger than the sum of its proper divisors (17344690857).
31144302423 is a wasteful number, since it uses less digits than its factorization.
31144302423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 232439 (or 232436 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 31144302423 its reverse (32420344113), we get a palindrome (63564646536).
The spelling of 31144302423 in words is "thirty-one billion, one hundred forty-four million, three hundred two thousand, four hundred twenty-three".
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