Base | Representation |
---|---|
bin | 1111010111000… |
… | …01011110111000 |
3 | 22222110020202121 |
4 | 13223201132320 |
5 | 230441143343 |
6 | 20441411024 |
7 | 3123130351 |
oct | 753413670 |
9 | 288406677 |
10 | 128849848 |
11 | 66806886 |
12 | 37199a74 |
13 | 2090511a |
14 | 13180d28 |
15 | b4a2aed |
hex | 7ae17b8 |
128849848 has 16 divisors (see below), whose sum is σ = 241755480. Its totient is φ = 64381728.
The previous prime is 128849843. The next prime is 128849863. The reversal of 128849848 is 848948821.
It is a junction number, because it is equal to n+sod(n) for n = 128849795 and 128849804.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128849843) 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, 9790 + ... + 18802.
Almost surely, 2128849848 is an apocalyptic number.
It is an amenable number.
128849848 is a deficient number, since it is larger than the sum of its proper divisors (112905632).
128849848 is a wasteful number, since it uses less digits than its factorization.
128849848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10806 (or 10802 counting only the distinct ones).
The product of its digits is 1179648, while the sum is 52.
The square root of 128849848 is about 11351.2046937759. The cubic root of 128849848 is about 505.0813161870.
The spelling of 128849848 in words is "one hundred twenty-eight million, eight hundred forty-nine thousand, eight hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •