Base | Representation |
---|---|
bin | 100000000011100110… |
… | …0110110011100110000 |
3 | 20120200121010212100020 |
4 | 1000013030312130300 |
5 | 2111441103123000 |
6 | 51342542123440 |
7 | 4654632530163 |
oct | 1000714663460 |
9 | 216617125306 |
10 | 68840286000 |
11 | 27216601852 |
12 | 11412580580 |
13 | 66510b9c55 |
14 | 34909b1ada |
15 | 1bcd8d1ba0 |
hex | 1007336730 |
68840286000 has 80 divisors (see below), whose sum is σ = 221941101408. Its totient is φ = 18357408000.
The previous prime is 68840285989. The next prime is 68840286037. The reversal of 68840286000 is 68204886.
It is a tau number, because it is divible by the number of its divisors (80).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5730691 + ... + 5742690.
Almost surely, 268840286000 is an apocalyptic number.
68840286000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
68840286000 is an abundant number, since it is smaller than the sum of its proper divisors (153100815408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68840286000 is a wasteful number, since it uses less digits than its factorization.
68840286000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11473407 (or 11473391 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 42.
The spelling of 68840286000 in words is "sixty-eight billion, eight hundred forty million, two hundred eighty-six thousand".
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