Base | Representation |
---|---|
bin | 100100100001010001… |
… | …0111110111011111001 |
3 | 21111102122010101220222 |
4 | 1021002202332323321 |
5 | 2241104011101030 |
6 | 100010042425425 |
7 | 5444315652260 |
oct | 1110242767371 |
9 | 244378111828 |
10 | 78425878265 |
11 | 30295400129 |
12 | 13248802275 |
13 | 751ac8cc37 |
14 | 3b1da9d5d7 |
15 | 20901d23e5 |
hex | 12428beef9 |
78425878265 has 8 divisors (see below), whose sum is σ = 107555490240. Its totient is φ = 53777745072.
The previous prime is 78425878211. The next prime is 78425878291. The reversal of 78425878265 is 56287852487.
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 78425878265 - 212 = 78425874169 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 78425878198 and 78425878207.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120369655 + ... + 1120369724.
It is an arithmetic number, because the mean of its divisors is an integer number (13444436280).
Almost surely, 278425878265 is an apocalyptic number.
It is an amenable number.
78425878265 is a deficient number, since it is larger than the sum of its proper divisors (29129611975).
78425878265 is a wasteful number, since it uses less digits than its factorization.
78425878265 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2240739391.
The product of its digits is 60211200, while the sum is 62.
The spelling of 78425878265 in words is "seventy-eight billion, four hundred twenty-five million, eight hundred seventy-eight thousand, two hundred sixty-five".
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