Base | Representation |
---|---|
bin | 100100010110000100… |
… | …1001001001100101011 |
3 | 21110110102212002211200 |
4 | 1020230021021030223 |
5 | 2234321300141203 |
6 | 55504454255243 |
7 | 5432103050220 |
oct | 1105411111453 |
9 | 243412762750 |
10 | 78050005803 |
11 | 30112214630 |
12 | 13162957523 |
13 | 748b1486b3 |
14 | 3ac5bb9947 |
15 | 206c1d79a3 |
hex | 122c24932b |
78050005803 has 48 divisors (see below), whose sum is σ = 142336896000. Its totient is φ = 40032195840.
The previous prime is 78050005793. The next prime is 78050005837. The reversal of 78050005803 is 30850005087.
It is a happy number.
78050005803 is a `hidden beast` number, since 78 + 0 + 5 + 0 + 0 + 0 + 580 + 3 = 666.
It is not a de Polignac number, because 78050005803 - 25 = 78050005771 is a prime.
It is not an unprimeable number, because it can be changed into a prime (78050005853) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 658078 + ... + 767571.
It is an arithmetic number, because the mean of its divisors is an integer number (2965352000).
Almost surely, 278050005803 is an apocalyptic number.
78050005803 is a deficient number, since it is larger than the sum of its proper divisors (64286890197).
78050005803 is a wasteful number, since it uses less digits than its factorization.
78050005803 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1425752 (or 1425749 counting only the distinct ones).
The product of its (nonzero) digits is 33600, while the sum is 36.
The spelling of 78050005803 in words is "seventy-eight billion, fifty million, five thousand, eight hundred three".
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