Base | Representation |
---|---|
bin | 111111100011010011… |
… | …010111111111011001 |
3 | 20112010121212101212110 |
4 | 333203103113333121 |
5 | 2104222413011343 |
6 | 51203105302533 |
7 | 4634000366304 |
oct | 774323277731 |
9 | 215117771773 |
10 | 68238016473 |
11 | 26a37643840 |
12 | 11284934a49 |
13 | 65863a8353 |
14 | 34349d7b3b |
15 | 1b95ab6833 |
hex | fe34d7fd9 |
68238016473 has 32 divisors (see below), whose sum is σ = 105132142080. Its totient is φ = 38909461760.
The previous prime is 68238016453. The next prime is 68238016481. The reversal of 68238016473 is 37461083286.
It is a cyclic number.
It is not a de Polignac number, because 68238016473 - 26 = 68238016409 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68238016403) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1628086 + ... + 1669472.
It is an arithmetic number, because the mean of its divisors is an integer number (3285379440).
Almost surely, 268238016473 is an apocalyptic number.
It is an amenable number.
68238016473 is a deficient number, since it is larger than the sum of its proper divisors (36894125607).
68238016473 is a wasteful number, since it uses less digits than its factorization.
68238016473 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44357.
The product of its (nonzero) digits is 1161216, while the sum is 48.
The spelling of 68238016473 in words is "sixty-eight billion, two hundred thirty-eight million, sixteen thousand, four hundred seventy-three".
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