Base | Representation |
---|---|
bin | 11100100000100111… |
… | …101110000011011100 |
3 | 2221000101222110221112 |
4 | 130200213232003130 |
5 | 1000143141213421 |
6 | 22021334321152 |
7 | 2132411111351 |
oct | 344047560334 |
9 | 87011873845 |
10 | 30612054236 |
11 | 11a89785485 |
12 | 5b23ab91b8 |
13 | 2b6b12157a |
14 | 16a584c628 |
15 | be272845b |
hex | 7209ee0dc |
30612054236 has 24 divisors (see below), whose sum is σ = 54481911456. Its totient is φ = 15047884800.
The previous prime is 30612054223. The next prime is 30612054281. The reversal of 30612054236 is 63245021603.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202661 + ... + 319836.
It is an arithmetic number, because the mean of its divisors is an integer number (2270079644).
Almost surely, 230612054236 is an apocalyptic number.
It is an amenable number.
30612054236 is a deficient number, since it is larger than the sum of its proper divisors (23869857220).
30612054236 is a wasteful number, since it uses less digits than its factorization.
30612054236 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 522749 (or 522747 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 32.
Adding to 30612054236 its reverse (63245021603), we get a palindrome (93857075839).
The spelling of 30612054236 in words is "thirty billion, six hundred twelve million, fifty-four thousand, two hundred thirty-six".
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