Base | Representation |
---|---|
bin | 100000000010110100… |
… | …0001000110110100000 |
3 | 20120121202110112202012 |
4 | 1000011220020312200 |
5 | 2111412323303312 |
6 | 51340200212052 |
7 | 4654162240640 |
oct | 1000550106640 |
9 | 216552415665 |
10 | 68813884832 |
11 | 2720270a200 |
12 | 1140576a028 |
13 | 66487a5064 |
14 | 348b29c520 |
15 | 1bcb419322 |
hex | 1005a08da0 |
68813884832 has 72 divisors (see below), whose sum is σ = 170186472288. Its totient is φ = 26810593920.
The previous prime is 68813884831. The next prime is 68813884837. The reversal of 68813884832 is 23848831886.
It is not an unprimeable number, because it can be changed into a prime (68813884831) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1242338 + ... + 1296545.
It is an arithmetic number, because the mean of its divisors is an integer number (2363701004).
Almost surely, 268813884832 is an apocalyptic number.
It is an amenable number.
68813884832 is an abundant number, since it is smaller than the sum of its proper divisors (101372587456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68813884832 is a wasteful number, since it uses less digits than its factorization.
68813884832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2538922 (or 2538903 counting only the distinct ones).
The product of its digits is 14155776, while the sum is 59.
The spelling of 68813884832 in words is "sixty-eight billion, eight hundred thirteen million, eight hundred eighty-four thousand, eight hundred thirty-two".
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