Base | Representation |
---|---|
bin | 1000000110111001001… |
… | …1111110001001001101 |
3 | 111022112100010000022222 |
4 | 2001232103332021031 |
5 | 4240231124320014 |
6 | 143553325145125 |
7 | 13030504523555 |
oct | 2015623761115 |
9 | 438470100288 |
10 | 139289682509 |
11 | 5408843809a |
12 | 22bb39bb1a5 |
13 | 1019a67c6a3 |
14 | 6a5516a165 |
15 | 39536b208e |
hex | 206e4fe24d |
139289682509 has 2 divisors, whose sum is σ = 139289682510. Its totient is φ = 139289682508.
The previous prime is 139289682479. The next prime is 139289682527. The reversal of 139289682509 is 905286982931.
139289682509 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 can be written as a sum of positive squares in only one way, i.e., 137366596900 + 1923085609 = 370630^2 + 43853^2 .
It is a cyclic number.
It is not a de Polignac number, because 139289682509 - 28 = 139289682253 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (139289682569) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69644841254 + 69644841255.
It is an arithmetic number, because the mean of its divisors is an integer number (69644841255).
Almost surely, 2139289682509 is an apocalyptic number.
It is an amenable number.
139289682509 is a deficient number, since it is larger than the sum of its proper divisors (1).
139289682509 is an equidigital number, since it uses as much as digits as its factorization.
139289682509 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16796160, while the sum is 62.
The spelling of 139289682509 in words is "one hundred thirty-nine billion, two hundred eighty-nine million, six hundred eighty-two thousand, five hundred nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •