Base | Representation |
---|---|
bin | 11000010010001111… |
… | …11110000001001111 |
3 | 1020122122021022021121 |
4 | 30021013332001033 |
5 | 203200211021441 |
6 | 5553425141411 |
7 | 641044023421 |
oct | 141107760117 |
9 | 36578238247 |
10 | 13037985871 |
11 | 559066a839 |
12 | 263a48a867 |
13 | 12ca211851 |
14 | 8b9816811 |
15 | 514956dd1 |
hex | 3091fe04f |
13037985871 has 2 divisors, whose sum is σ = 13037985872. Its totient is φ = 13037985870.
The previous prime is 13037985823. The next prime is 13037985901. The reversal of 13037985871 is 17858973031.
13037985871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 13037985871 - 229 = 12501114959 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13037955871) 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 as a sum of consecutive naturals, namely, 6518992935 + 6518992936.
It is an arithmetic number, because the mean of its divisors is an integer number (6518992936).
Almost surely, 213037985871 is an apocalyptic number.
13037985871 is a deficient number, since it is larger than the sum of its proper divisors (1).
13037985871 is an equidigital number, since it uses as much as digits as its factorization.
13037985871 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1270080, while the sum is 52.
The spelling of 13037985871 in words is "thirteen billion, thirty-seven million, nine hundred eighty-five thousand, eight hundred seventy-one".
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