Base | Representation |
---|---|
bin | 11100100010110100… |
… | …001000000001111001 |
3 | 2221002222020110001100 |
4 | 130202310020001321 |
5 | 1000232102021133 |
6 | 22025131242013 |
7 | 2133336006165 |
oct | 344264100171 |
9 | 87088213040 |
10 | 30648860793 |
11 | 11aa8534821 |
12 | 5b342a9309 |
13 | 2b7593a6b5 |
14 | 16aa6adca5 |
15 | be5a98e13 |
hex | 722d08079 |
30648860793 has 24 divisors (see below), whose sum is σ = 45476657928. Its totient is φ = 19876154112.
The previous prime is 30648860791. The next prime is 30648860797. The reversal of 30648860793 is 39706884603.
30648860793 is a `hidden beast` number, since 30 + 6 + 488 + 60 + 79 + 3 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 25564172544 + 5084688249 = 159888^2 + 71307^2 .
It is not a de Polignac number, because 30648860793 - 21 = 30648860791 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30648860791) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2757355 + ... + 2768447.
It is an arithmetic number, because the mean of its divisors is an integer number (1894860747).
Almost surely, 230648860793 is an apocalyptic number.
It is an amenable number.
30648860793 is a deficient number, since it is larger than the sum of its proper divisors (14827797135).
30648860793 is a wasteful number, since it uses less digits than its factorization.
30648860793 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19433 (or 19430 counting only the distinct ones).
The product of its (nonzero) digits is 5225472, while the sum is 54.
The spelling of 30648860793 in words is "thirty billion, six hundred forty-eight million, eight hundred sixty thousand, seven hundred ninety-three".
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