Base | Representation |
---|---|
bin | 1011100000100011000… |
… | …00110011001100100000 |
3 | 1101210200020211001221222 |
4 | 11300101200303030200 |
5 | 22434320241132313 |
6 | 501354114234212 |
7 | 40366100234441 |
oct | 5602140631440 |
9 | 1353606731858 |
10 | 395430802208 |
11 | 142779419482 |
12 | 64778b85968 |
13 | 2b39ab17200 |
14 | 151d34032c8 |
15 | a4456dc208 |
hex | 5c11833320 |
395430802208 has 162 divisors, whose sum is σ = 897284672739. Its totient is φ = 171429353472.
The previous prime is 395430802201. The next prime is 395430802211. The reversal of 395430802208 is 802208034593.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 5 ways, for example, as 160310550544 + 235120251664 = 400388^2 + 484892^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=444652.
It is not an unprimeable number, because it can be changed into a prime (395430802201) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 786144485 + ... + 786144987.
Almost surely, 2395430802208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 395430802208
395430802208 is an abundant number, since it is smaller than the sum of its proper divisors (501853870531).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
395430802208 is an equidigital number, since it uses as much as digits as its factorization.
395430802208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1076 (or 535 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 44.
The spelling of 395430802208 in words is "three hundred ninety-five billion, four hundred thirty million, eight hundred two thousand, two hundred eight".
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