Base | Representation |
---|---|
bin | 1000010100000000010… |
… | …11011100011111011110 |
3 | 1000022020020021021010220 |
4 | 10022000023130133132 |
5 | 14134421242403340 |
6 | 335113343542210 |
7 | 26430613465152 |
oct | 4120013343736 |
9 | 1008206237126 |
10 | 285618325470 |
11 | 10014810a375 |
12 | 47430bba966 |
13 | 20c1a42661a |
14 | db770b5062 |
15 | 7669cd6ed0 |
hex | 42802dc7de |
285618325470 has 128 divisors (see below), whose sum is σ = 710947860480. Its totient is φ = 73359882240.
The previous prime is 285618325469. The next prime is 285618325621. The reversal of 285618325470 is 74523816582.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 257545276 + ... + 257546384.
It is an arithmetic number, because the mean of its divisors is an integer number (5554280160).
Almost surely, 2285618325470 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 285618325470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355473930240).
285618325470 is an abundant number, since it is smaller than the sum of its proper divisors (425329535010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285618325470 is a wasteful number, since it uses less digits than its factorization.
285618325470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2210.
The product of its (nonzero) digits is 3225600, while the sum is 51.
The spelling of 285618325470 in words is "two hundred eighty-five billion, six hundred eighteen million, three hundred twenty-five thousand, four hundred seventy".
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