Base | Representation |
---|---|
bin | 11100111011000011… |
… | …001010001100100101 |
3 | 2222011022022120110112 |
4 | 130323003022030211 |
5 | 1002100144030023 |
6 | 22133334102405 |
7 | 2146404004112 |
oct | 347303121445 |
9 | 88138276415 |
10 | 31055455013 |
11 | 12196aa4000 |
12 | 60284aaa05 |
13 | 2c0bc4a5ab |
14 | 17086ad909 |
15 | c1b611478 |
hex | 73b0ca325 |
31055455013 has 8 divisors (see below), whose sum is σ = 34158668736. Its totient is φ = 28232230620.
The previous prime is 31055455003. The next prime is 31055455019.
31055455013 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 31055455013 - 28 = 31055454757 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31055455019) 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 7 ways as a sum of consecutive naturals, for example, 11664881 + ... + 11667542.
It is an arithmetic number, because the mean of its divisors is an integer number (4269833592).
Almost surely, 231055455013 is an apocalyptic number.
It is an amenable number.
31055455013 is a deficient number, since it is larger than the sum of its proper divisors (3103213723).
31055455013 is an equidigital number, since it uses as much as digits as its factorization.
31055455013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23332456 (or 23332434 counting only the distinct ones).
The product of its (nonzero) digits is 22500, while the sum is 32.
The spelling of 31055455013 in words is "thirty-one billion, fifty-five million, four hundred fifty-five thousand, thirteen".
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