Base | Representation |
---|---|
bin | 1001010011100… |
… | …10011000101001 |
3 | 12102220000111121 |
4 | 10221302120221 |
5 | 124441010040 |
6 | 11425055241 |
7 | 1635345226 |
oct | 451623051 |
9 | 172800447 |
10 | 78063145 |
11 | 40078aa6 |
12 | 22187521 |
13 | 13232914 |
14 | a52094d |
15 | 6cbec4a |
hex | 4a72629 |
78063145 has 8 divisors (see below), whose sum is σ = 94251456. Its totient is φ = 62066736.
The previous prime is 78063137. The next prime is 78063149. The reversal of 78063145 is 54136087.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 78063145 - 23 = 78063137 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 78063145.
It is not an unprimeable number, because it can be changed into a prime (78063149) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47077 + ... + 48706.
It is an arithmetic number, because the mean of its divisors is an integer number (11781432).
Almost surely, 278063145 is an apocalyptic number.
It is an amenable number.
78063145 is a deficient number, since it is larger than the sum of its proper divisors (16188311).
78063145 is a wasteful number, since it uses less digits than its factorization.
78063145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95951.
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 78063145 is about 8835.3350247741. The cubic root of 78063145 is about 427.3811349477.
The spelling of 78063145 in words is "seventy-eight million, sixty-three thousand, one hundred forty-five".
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