Base | Representation |
---|---|
bin | 11100100000001101… |
… | …001100101111001100 |
3 | 2220222220220021022100 |
4 | 130200031030233030 |
5 | 1000134401231103 |
6 | 22020525315100 |
7 | 2132265034464 |
oct | 344015145714 |
9 | 86886807270 |
10 | 30605102028 |
11 | 11a85867156 |
12 | 5b21705a90 |
13 | 2b69859037 |
14 | 16a495cba4 |
15 | be1d035a3 |
hex | 72034cbcc |
30605102028 has 36 divisors (see below), whose sum is σ = 77826162960. Its totient is φ = 10140610656.
The previous prime is 30605101999. The next prime is 30605102051. The reversal of 30605102028 is 82020150603.
30605102028 is a `hidden beast` number, since 3 + 0 + 605 + 10 + 20 + 28 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a junction number, because it is equal to n+sod(n) for n = 30605101992 and 30605102010.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2539323 + ... + 2551346.
It is an arithmetic number, because the mean of its divisors is an integer number (2161837860).
Almost surely, 230605102028 is an apocalyptic number.
It is an amenable number.
30605102028 is an abundant number, since it is smaller than the sum of its proper divisors (47221060932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30605102028 is a wasteful number, since it uses less digits than its factorization.
30605102028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5090846 (or 5090841 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The spelling of 30605102028 in words is "thirty billion, six hundred five million, one hundred two thousand, twenty-eight".
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