Base | Representation |
---|---|
bin | 11100101110101010… |
… | …101001100000000000 |
3 | 2221121211101200100000 |
4 | 130232222221200000 |
5 | 1001134002444130 |
6 | 22100553200000 |
7 | 2141302102200 |
oct | 345652514000 |
9 | 87554350300 |
10 | 30847703040 |
11 | 1209a7a6960 |
12 | 5b8aa00000 |
13 | 2ba7baaa2b |
14 | 16c8c70400 |
15 | c08275260 |
hex | 72eaa9800 |
30847703040 has 1728 divisors, whose sum is σ = 146816167680. Its totient is φ = 6131220480.
The previous prime is 30847703027. The next prime is 30847703101. The reversal of 30847703040 is 4030774803.
30847703040 is a `hidden beast` number, since 308 + 47 + 7 + 0 + 304 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (1728).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 30847702986 and 30847703004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1341204469 + ... + 1341204491.
It is an arithmetic number, because the mean of its divisors is an integer number (84963060).
Almost surely, 230847703040 is an apocalyptic number.
30847703040 is a gapful number since it is divisible by the number (30) 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 30847703040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73408083840).
30847703040 is an abundant number, since it is smaller than the sum of its proper divisors (115968464640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30847703040 is a wasteful number, since it uses less digits than its factorization.
30847703040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90 (or 51 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 36.
The spelling of 30847703040 in words is "thirty billion, eight hundred forty-seven million, seven hundred three thousand, forty".
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