Base | Representation |
---|---|
bin | 101110100100001110… |
… | …110111001110001101 |
3 | 11210001120211011110121 |
4 | 232210032313032031 |
5 | 1304344444444020 |
6 | 34545241304541 |
7 | 3420021662263 |
oct | 564416671615 |
9 | 153046734417 |
10 | 49999999885 |
11 | 1a228772a60 |
12 | 9834a95151 |
13 | 493aa6c964 |
14 | 25c4730433 |
15 | 1479894baa |
hex | ba43b738d |
49999999885 has 32 divisors (see below), whose sum is σ = 67976612352. Its totient is φ = 34987740480.
The previous prime is 49999999867. The next prime is 49999999957. The reversal of 49999999885 is 58899999994.
It is a happy number.
It is not a de Polignac number, because 49999999885 - 25 = 49999999853 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 49999999796 and 49999999805.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 682 + ... + 316228.
It is an arithmetic number, because the mean of its divisors is an integer number (2124269136).
Almost surely, 249999999885 is an apocalyptic number.
It is an amenable number.
49999999885 is a deficient number, since it is larger than the sum of its proper divisors (17976612467).
49999999885 is a wasteful number, since it uses less digits than its factorization.
49999999885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315673.
The product of its digits is 6122200320, while the sum is 88.
The spelling of 49999999885 in words is "forty-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, eight hundred eighty-five".
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