Base | Representation |
---|---|
bin | 11100011110011100… |
… | …001110101101101100 |
3 | 2220220212011201022000 |
4 | 130132130032231230 |
5 | 1000104311102402 |
6 | 22013550452300 |
7 | 2131455234000 |
oct | 343634165554 |
9 | 86825151260 |
10 | 30575487852 |
11 | 11a7007a628 |
12 | 5b13804090 |
13 | 2b6368a860 |
14 | 16a0a50700 |
15 | bde403c1c |
hex | 71e70eb6c |
30575487852 has 384 divisors, whose sum is σ = 100402176000. Its totient is φ = 7995407616.
The previous prime is 30575487779. The next prime is 30575487911. The reversal of 30575487852 is 25878457503.
30575487852 is a `hidden beast` number, since 30 + 57 + 5 + 487 + 85 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 83311773 + ... + 83312139.
It is an arithmetic number, because the mean of its divisors is an integer number (261464000).
Almost surely, 230575487852 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 30575487852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50201088000).
30575487852 is an abundant number, since it is smaller than the sum of its proper divisors (69826688148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30575487852 is a wasteful number, since it uses less digits than its factorization.
30575487852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 587 (or 565 counting only the distinct ones).
The product of its (nonzero) digits is 9408000, while the sum is 54.
The spelling of 30575487852 in words is "thirty billion, five hundred seventy-five million, four hundred eighty-seven thousand, eight hundred fifty-two".
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