Base | Representation |
---|---|
bin | 100100011101000111… |
… | …0001001000010100000 |
3 | 21111001220021212002221 |
4 | 1020322032021002200 |
5 | 2240312231300041 |
6 | 55544132520424 |
7 | 5441001460045 |
oct | 1107216110240 |
9 | 244056255087 |
10 | 78286196896 |
11 | 30223576486 |
12 | 13209a80114 |
13 | 74c806493b |
14 | 3b092dd1cc |
15 | 2082ce02d1 |
hex | 123a3890a0 |
78286196896 has 24 divisors (see below), whose sum is σ = 154545935040. Its totient is φ = 39036435648.
The previous prime is 78286196867. The next prime is 78286196927. The reversal of 78286196896 is 69869168287.
It is a super-3 number, since 3×782861968963 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3321286 + ... + 3344773.
It is an arithmetic number, because the mean of its divisors is an integer number (6439413960).
Almost surely, 278286196896 is an apocalyptic number.
It is an amenable number.
78286196896 is a deficient number, since it is larger than the sum of its proper divisors (76259738144).
78286196896 is a wasteful number, since it uses less digits than its factorization.
78286196896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6666436 (or 6666428 counting only the distinct ones).
The product of its digits is 125411328, while the sum is 70.
The spelling of 78286196896 in words is "seventy-eight billion, two hundred eighty-six million, one hundred ninety-six thousand, eight hundred ninety-six".
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