Base | Representation |
---|---|
bin | 11100100011111110… |
… | …101010010001110100 |
3 | 2221011100000010102202 |
4 | 130203332222101310 |
5 | 1000302102242412 |
6 | 22031110124032 |
7 | 2133664045055 |
oct | 344376522164 |
9 | 87140003382 |
10 | 30668399732 |
11 | 1200856a703 |
12 | 5b3a950618 |
13 | 2b799bbcb9 |
14 | 16ad11872c |
15 | be76583c2 |
hex | 723faa474 |
30668399732 has 48 divisors (see below), whose sum is σ = 57082620672. Its totient is φ = 14386901760.
The previous prime is 30668399717. The next prime is 30668399771. The reversal of 30668399732 is 23799386603.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1274888 + ... + 1298720.
It is an arithmetic number, because the mean of its divisors is an integer number (1189221264).
Almost surely, 230668399732 is an apocalyptic number.
It is an amenable number.
30668399732 is a deficient number, since it is larger than the sum of its proper divisors (26414220940).
30668399732 is a wasteful number, since it uses less digits than its factorization.
30668399732 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24128 (or 24126 counting only the distinct ones).
The product of its (nonzero) digits is 8817984, while the sum is 56.
The spelling of 30668399732 in words is "thirty billion, six hundred sixty-eight million, three hundred ninety-nine thousand, seven hundred thirty-two".
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