Base | Representation |
---|---|
bin | 1000001001001… |
… | …11001110000000 |
3 | 11202112220210021 |
4 | 10010213032000 |
5 | 114442134310 |
6 | 10440143224 |
7 | 1456460035 |
oct | 404471600 |
9 | 152486707 |
10 | 68318080 |
11 | 35622426 |
12 | 1aa67b14 |
13 | 112000cc |
14 | 910538c |
15 | 5ee75da |
hex | 4127380 |
68318080 has 32 divisors (see below), whose sum is σ = 163324440. Its totient is φ = 27326976.
The previous prime is 68318071. The next prime is 68318111. The reversal of 68318080 is 8081386.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52734 + ... + 54013.
Almost surely, 268318080 is an apocalyptic number.
It is an amenable number.
68318080 is an abundant number, since it is smaller than the sum of its proper divisors (95006360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68318080 is a wasteful number, since it uses less digits than its factorization.
68318080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106766 (or 106754 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 34.
The square root of 68318080 is about 8265.4751829523. The cubic root of 68318080 is about 408.8009385155.
The spelling of 68318080 in words is "sixty-eight million, three hundred eighteen thousand, eighty".
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