Base | Representation |
---|---|
bin | 101100010101100111111001… |
… | …1010001110010110011011001 |
3 | 1220010212122011100012201010021 |
4 | 1120223033303101302303121 |
5 | 402104224443202003323 |
6 | 3501243305235350441 |
7 | 145101366330052504 |
oct | 13053176321626331 |
9 | 1803778140181107 |
10 | 389999996906713 |
11 | 1032a2084a7a646 |
12 | 378a8741a52421 |
13 | 1397cac387b5ab |
14 | 6c44159d5213b |
15 | 3014bdccc905d |
hex | 162b3f3472cd9 |
389999996906713 has 2 divisors, whose sum is σ = 389999996906714. Its totient is φ = 389999996906712.
The previous prime is 389999996906657. The next prime is 389999996906731. The reversal of 389999996906713 is 317609699999983.
Together with next prime (389999996906731) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 250569999336409 + 139429997570304 = 15829403^2 + 11808048^2 .
It is a cyclic number.
It is not a de Polignac number, because 389999996906713 - 245 = 354815624817881 is a prime.
It is a super-2 number, since 2×3899999969067132 (a number of 30 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (389999996906413) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194999998453356 + 194999998453357.
It is an arithmetic number, because the mean of its divisors is an integer number (194999998453357).
Almost surely, 2389999996906713 is an apocalyptic number.
It is an amenable number.
389999996906713 is a deficient number, since it is larger than the sum of its proper divisors (1).
389999996906713 is an equidigital number, since it uses as much as digits as its factorization.
389999996906713 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 86782189536, while the sum is 97.
The spelling of 389999996906713 in words is "three hundred eighty-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-six million, nine hundred six thousand, seven hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •