Base | Representation |
---|---|
bin | 1011100000111100111… |
… | …00101010100101001000 |
3 | 1101211020101011211100200 |
4 | 11300132130222211020 |
5 | 22440241320302102 |
6 | 501431425532200 |
7 | 40404343666602 |
oct | 5603634524510 |
9 | 1354211154320 |
10 | 395647822152 |
11 | 14287a976800 |
12 | 648197a4060 |
13 | 2b403a8038b |
14 | 15214176172 |
15 | a4597a951c |
hex | 5c1e72a948 |
395647822152 has 324 divisors, whose sum is σ = 1235467643865. Its totient is φ = 114289127040.
The previous prime is 395647822111. The next prime is 395647822159. The reversal of 395647822152 is 251228746593.
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.
395647822152 is a `hidden beast` number, since 3 + 9 + 564 + 7 + 8 + 2 + 21 + 52 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 287139509316 + 108508312836 = 535854^2 + 329406^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=444774.
It is a super-2 number, since 2×3956478221522 (a number of 24 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (395647822159) by changing a digit.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1350333718 + ... + 1350334010.
Almost surely, 2395647822152 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 395647822152
395647822152 is an abundant number, since it is smaller than the sum of its proper divisors (839819821713).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
395647822152 is a wasteful number, since it uses less digits than its factorization.
395647822152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 666 (or 332 counting only the distinct ones).
The product of its digits is 7257600, while the sum is 54.
The spelling of 395647822152 in words is "three hundred ninety-five billion, six hundred forty-seven million, eight hundred twenty-two thousand, one hundred fifty-two".
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