Base | Representation |
---|---|
bin | 1110001111000100010… |
… | …11100111000010001001 |
3 | 1201202112000212012202201 |
4 | 13013202023213002021 |
5 | 31003212223424404 |
6 | 1012411255400201 |
7 | 50223666250624 |
oct | 7074213470211 |
9 | 1652460765681 |
10 | 489125998729 |
11 | 179489969395 |
12 | 7a967383061 |
13 | 3718036a8b4 |
14 | 19960d90dbb |
15 | cacb181ca4 |
hex | 71e22e7089 |
489125998729 has 4 divisors (see below), whose sum is σ = 489137247760. Its totient is φ = 489114749700.
The previous prime is 489125998681. The next prime is 489125998787. The reversal of 489125998729 is 927899521984.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 489125998729 - 213 = 489125990537 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (489125998789) 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, 5559039 + ... + 5646340.
It is an arithmetic number, because the mean of its divisors is an integer number (122284311940).
Almost surely, 2489125998729 is an apocalyptic number.
It is an amenable number.
489125998729 is a deficient number, since it is larger than the sum of its proper divisors (11249031).
489125998729 is a wasteful number, since it uses less digits than its factorization.
489125998729 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11249030.
The product of its digits is 235146240, while the sum is 73.
The spelling of 489125998729 in words is "four hundred eighty-nine billion, one hundred twenty-five million, nine hundred ninety-eight thousand, seven hundred twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.104 sec. • engine limits •