Base | Representation |
---|---|
bin | 11011111101100110… |
… | …001101111001111000 |
3 | 2212111110022111020100 |
4 | 123331212031321320 |
5 | 442442230122343 |
6 | 21443144155400 |
7 | 2112014452350 |
oct | 337546157170 |
9 | 85443274210 |
10 | 30024457848 |
11 | 11808029630 |
12 | 599b168b60 |
13 | 2aa64795b8 |
14 | 164b7b3b60 |
15 | baad5a9d3 |
hex | 6fd98de78 |
30024457848 has 384 divisors, whose sum is σ = 104161075200. Its totient is φ = 7587820800.
The previous prime is 30024457831. The next prime is 30024457849. The reversal of 30024457848 is 84875442003.
It is a happy number.
30024457848 is a `hidden beast` number, since 30 + 0 + 2 + 4 + 4 + 578 + 48 = 666.
It is a super-2 number, since 2×300244578482 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30024457849) 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, 32670333 + ... + 32671251.
It is an arithmetic number, because the mean of its divisors is an integer number (271252800).
Almost surely, 230024457848 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 30024457848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52080537600).
30024457848 is an abundant number, since it is smaller than the sum of its proper divisors (74136617352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30024457848 is a wasteful number, since it uses less digits than its factorization.
30024457848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1103 (or 1096 counting only the distinct ones).
The product of its (nonzero) digits is 860160, while the sum is 45.
The spelling of 30024457848 in words is "thirty billion, twenty-four million, four hundred fifty-seven thousand, eight hundred forty-eight".
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