Base | Representation |
---|---|
bin | 11111001011101010111011… |
… | …10000000010101111101101 |
3 | 22222210022000202222021212020 |
4 | 33211311131300002233231 |
5 | 32441430321243142020 |
6 | 401500542340100353 |
7 | 20305033336016343 |
oct | 1745653560025755 |
9 | 288708022867766 |
10 | 68570725755885 |
11 | 1a937755065a61 |
12 | 78355713946b9 |
13 | 2c352651c43c2 |
14 | 12d0bab371993 |
15 | 7dda3681ac40 |
hex | 3e5d5dc02bed |
68570725755885 has 16 divisors (see below), whose sum is σ = 109713289781184. Its totient is φ = 36571010879232.
The previous prime is 68570725755863. The next prime is 68570725755887. The reversal of 68570725755885 is 58855752707586.
It is not a de Polignac number, because 68570725755885 - 215 = 68570725723117 is a prime.
It is a super-3 number, since 3×685707257558853 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 68570725755885.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68570725755887) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13830054 + ... + 18122136.
It is an arithmetic number, because the mean of its divisors is an integer number (6857080611324).
Almost surely, 268570725755885 is an apocalyptic number.
It is an amenable number.
68570725755885 is a deficient number, since it is larger than the sum of its proper divisors (41142564025299).
68570725755885 is a wasteful number, since it uses less digits than its factorization.
68570725755885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5357164.
The product of its (nonzero) digits is 6585600000, while the sum is 78.
The spelling of 68570725755885 in words is "sixty-eight trillion, five hundred seventy billion, seven hundred twenty-five million, seven hundred fifty-five thousand, eight hundred eighty-five".
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