Base | Representation |
---|---|
bin | 11100111110011011… |
… | …011110111011101011 |
3 | 2222022021000122021020 |
4 | 130332123132323223 |
5 | 1002204203204201 |
6 | 22143121343523 |
7 | 2150663010504 |
oct | 347633367353 |
9 | 88267018236 |
10 | 31112163051 |
11 | 12216006652 |
12 | 6043497ba3 |
13 | 2c1a914048 |
14 | 1712031bab |
15 | c215b3a36 |
hex | 73e6deeeb |
31112163051 has 16 divisors (see below), whose sum is σ = 41620992000. Its totient is φ = 20672444448.
The previous prime is 31112163031. The next prime is 31112163077. The reversal of 31112163051 is 15036121113.
It is not a de Polignac number, because 31112163051 - 230 = 30038421227 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31112163031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2807760 + ... + 2818818.
It is an arithmetic number, because the mean of its divisors is an integer number (2601312000).
Almost surely, 231112163051 is an apocalyptic number.
31112163051 is a deficient number, since it is larger than the sum of its proper divisors (10508828949).
31112163051 is a wasteful number, since it uses less digits than its factorization.
31112163051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14098.
The product of its (nonzero) digits is 540, while the sum is 24.
Adding to 31112163051 its reverse (15036121113), we get a palindrome (46148284164).
The spelling of 31112163051 in words is "thirty-one billion, one hundred twelve million, one hundred sixty-three thousand, fifty-one".
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