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284011321248648 = 23357173217381629
BaseRepresentation
bin100000010010011101000100…
…1111010100100101110001000
31101020121012212022002210200000
41000210322021322210232020
5244211220141214424043
62444012555541443000
7113552066205453150
oct10044721172445610
91336535768083600
10284011321248648
11825495857597a4
1227a2b368a10460
13c2621ca571806
14501c31532d760
1522c7bbd82c2d3
hex1024e89ea4b88

284011321248648 has 384 divisors, whose sum is σ = 965569817721600. Its totient is φ = 76348851830784.

The previous prime is 284011321248647. The next prime is 284011321248679. The reversal of 284011321248648 is 846842123110482.

284011321248648 is a `hidden beast` number, since 2 + 8 + 4 + 0 + 11 + 321 + 248 + 64 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 284011321248594 and 284011321248603.

It is not an unprimeable number, because it can be changed into a prime (284011321248643) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 744017098 + ... + 744398726.

It is an arithmetic number, because the mean of its divisors is an integer number (2514504733650).

Almost surely, 2284011321248648 is an apocalyptic number.

284011321248648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 284011321248648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482784908860800).

284011321248648 is an abundant number, since it is smaller than the sum of its proper divisors (681558496472952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

284011321248648 is a wasteful number, since it uses less digits than its factorization.

284011321248648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384891 (or 384875 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 54.

The spelling of 284011321248648 in words is "two hundred eighty-four trillion, eleven billion, three hundred twenty-one million, two hundred forty-eight thousand, six hundred forty-eight".