Base | Representation |
---|---|
bin | 1110001111110101100… |
… | …11001110110101001011 |
3 | 1201210120211001210212110 |
4 | 13013322303032311023 |
5 | 31010033443213124 |
6 | 1012520252313403 |
7 | 50240143112415 |
oct | 7077263166513 |
9 | 1653524053773 |
10 | 489539038539 |
11 | 179681030301 |
12 | 7aa61772863 |
13 | 37217ac6555 |
14 | 1999db8b9b5 |
15 | cb0256e029 |
hex | 71facced4b |
489539038539 has 4 divisors (see below), whose sum is σ = 652718718056. Its totient is φ = 326359359024.
The previous prime is 489539038517. The next prime is 489539038567. The reversal of 489539038539 is 935830935984.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 489539038539 - 27 = 489539038411 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 489539038539.
It is not an unprimeable number, because it can be changed into a prime (489539038579) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81589839754 + ... + 81589839759.
It is an arithmetic number, because the mean of its divisors is an integer number (163179679514).
Almost surely, 2489539038539 is an apocalyptic number.
489539038539 is a deficient number, since it is larger than the sum of its proper divisors (163179679517).
489539038539 is a wasteful number, since it uses less digits than its factorization.
489539038539 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163179679516.
The product of its (nonzero) digits is 125971200, while the sum is 66.
The spelling of 489539038539 in words is "four hundred eighty-nine billion, five hundred thirty-nine million, thirty-eight thousand, five hundred thirty-nine".
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