Base | Representation |
---|---|
bin | 1101110110110110011011… |
… | …10011010100000100000110 |
3 | 10222220002102122100101112220 |
4 | 12323123031303110010012 |
5 | 12443223023344404010 |
6 | 144450342042153210 |
7 | 6263345226666144 |
oct | 673331563240406 |
9 | 128802378311486 |
10 | 30471950778630 |
11 | 97890998a3369 |
12 | 35018027b2806 |
13 | 14006533c73ca |
14 | 774bc928a594 |
15 | 37c9a31c1970 |
hex | 1bb6cdcd4106 |
30471950778630 has 16 divisors (see below), whose sum is σ = 73132681868784. Its totient is φ = 8125853540960.
The previous prime is 30471950778499. The next prime is 30471950778673. The reversal of 30471950778630 is 3687705917403.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507865846281 + ... + 507865846340.
It is an arithmetic number, because the mean of its divisors is an integer number (4570792616799).
Almost surely, 230471950778630 is an apocalyptic number.
30471950778630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30471950778630 is an abundant number, since it is smaller than the sum of its proper divisors (42660731090154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30471950778630 is a wasteful number, since it uses less digits than its factorization.
30471950778630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1015731692631.
The product of its (nonzero) digits is 26671680, while the sum is 60.
The spelling of 30471950778630 in words is "thirty trillion, four hundred seventy-one billion, nine hundred fifty million, seven hundred seventy-eight thousand, six hundred thirty".
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