Base | Representation |
---|---|
bin | 100000000001111110… |
… | …0000000101011011000 |
3 | 20120112210010110200012 |
4 | 1000003330000223120 |
5 | 2111333044233200 |
6 | 51333304501052 |
7 | 4653366304235 |
oct | 1000374005330 |
9 | 216483113605 |
10 | 68785539800 |
11 | 2719870a15a |
12 | 113b817a788 |
13 | 664295c453 |
14 | 348760078c |
15 | 1bc8bbaa35 |
hex | 1003f00ad8 |
68785539800 has 48 divisors (see below), whose sum is σ = 162548152800. Its totient is φ = 27063158400.
The previous prime is 68785539787. The next prime is 68785539803. The reversal of 68785539800 is 893558786.
It is a self number, because there is not a number n which added to its sum of digits gives 68785539800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68785539803) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 2806880 + ... + 2831279.
It is an arithmetic number, because the mean of its divisors is an integer number (3386419850).
Almost surely, 268785539800 is an apocalyptic number.
It is an amenable number.
68785539800 is an abundant number, since it is smaller than the sum of its proper divisors (93762613000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68785539800 is a wasteful number, since it uses less digits than its factorization.
68785539800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5638236 (or 5638227 counting only the distinct ones).
The product of its (nonzero) digits is 14515200, while the sum is 59.
The spelling of 68785539800 in words is "sixty-eight billion, seven hundred eighty-five million, five hundred thirty-nine thousand, eight hundred".
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