Base | Representation |
---|---|
bin | 11100100000001111… |
… | …011111110101100011 |
3 | 2220222222000212210212 |
4 | 130200033133311203 |
5 | 1000140030021142 |
6 | 22020550244335 |
7 | 2132303124215 |
oct | 344017376543 |
9 | 86888025725 |
10 | 30605704547 |
11 | 11a86138900 |
12 | 5b219566ab |
13 | 2b69a0a362 |
14 | 16a4a785b5 |
15 | be1dc1d82 |
hex | 7203dfd63 |
30605704547 has 12 divisors (see below), whose sum is σ = 33670061880. Its totient is φ = 27799316160.
The previous prime is 30605704543. The next prime is 30605704573. The reversal of 30605704547 is 74540750603.
It is not a de Polignac number, because 30605704547 - 22 = 30605704543 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30605704543) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31979 + ... + 249467.
It is an arithmetic number, because the mean of its divisors is an integer number (2805838490).
Almost surely, 230605704547 is an apocalyptic number.
30605704547 is a deficient number, since it is larger than the sum of its proper divisors (3064357333).
30605704547 is a wasteful number, since it uses less digits than its factorization.
30605704547 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218674 (or 218663 counting only the distinct ones).
The product of its (nonzero) digits is 352800, while the sum is 41.
The spelling of 30605704547 in words is "thirty billion, six hundred five million, seven hundred four thousand, five hundred forty-seven".
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