Base | Representation |
---|---|
bin | 1000010010111011100… |
… | …10110111101010000000 |
3 | 1000020202000210100110100 |
4 | 10021131302313222000 |
5 | 14132231103122132 |
6 | 334540215402400 |
7 | 26410410262200 |
oct | 4113562675200 |
9 | 1006660710410 |
10 | 285041457792 |
11 | aa981521123 |
12 | 472ab983400 |
13 | 20b57a69ac0 |
14 | db20630400 |
15 | 763433837c |
hex | 425dcb7a80 |
285041457792 has 1152 divisors, whose sum is σ = 1106420711760. Its totient is φ = 69561483264.
The previous prime is 285041457781. The next prime is 285041457793. The reversal of 285041457792 is 297754140582.
285041457792 is a `hidden beast` number, since 2 + 8 + 50 + 4 + 14 + 577 + 9 + 2 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 47186266176 + 237855191616 = 217224^2 + 487704^2 .
It is a tau number, because it is divible by the number of its divisors (1152).
It is not an unprimeable number, because it can be changed into a prime (285041457793) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 910675428 + ... + 910675740.
Almost surely, 2285041457792 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 285041457792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553210355880).
285041457792 is an abundant number, since it is smaller than the sum of its proper divisors (821379253968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285041457792 is a wasteful number, since it uses less digits than its factorization.
285041457792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 450 (or 428 counting only the distinct ones).
The product of its (nonzero) digits is 5644800, while the sum is 54.
The spelling of 285041457792 in words is "two hundred eighty-five billion, forty-one million, four hundred fifty-seven thousand, seven hundred ninety-two".
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