Base | Representation |
---|---|
bin | 1101101111011000000001… |
… | …10000100110101101101100 |
3 | 10221222112110210201112120001 |
4 | 12313230000300212231230 |
5 | 12430021020030400334 |
6 | 144132343455034044 |
7 | 6235653351405040 |
oct | 667540060465554 |
9 | 127875423645501 |
10 | 30215107668844 |
11 | 969a17863348a |
12 | 347ba8250b924 |
13 | 13b23706a4737 |
14 | 7665c1abc020 |
15 | 375e6e72e714 |
hex | 1b7b00c26b6c |
30215107668844 has 96 divisors (see below), whose sum is σ = 67788703825920. Its totient is φ = 11484737554752.
The previous prime is 30215107668839. The next prime is 30215107668859. The reversal of 30215107668844 is 44886670151203.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25694712 + ... + 26844895.
It is an arithmetic number, because the mean of its divisors is an integer number (706132331520).
Almost surely, 230215107668844 is an apocalyptic number.
It is an amenable number.
30215107668844 is an abundant number, since it is smaller than the sum of its proper divisors (37573596157076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30215107668844 is a wasteful number, since it uses less digits than its factorization.
30215107668844 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52539707 (or 52539705 counting only the distinct ones).
The product of its (nonzero) digits is 7741440, while the sum is 55.
The spelling of 30215107668844 in words is "thirty trillion, two hundred fifteen billion, one hundred seven million, six hundred sixty-eight thousand, eight hundred forty-four".
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