Base | Representation |
---|---|
bin | 11100100101000011… |
… | …001100100000110000 |
3 | 2221012120210220011121 |
4 | 130211003030200300 |
5 | 1000321202200434 |
6 | 22032551152024 |
7 | 2134302543106 |
oct | 344503144060 |
9 | 87176726147 |
10 | 30686365744 |
11 | 12017720851 |
12 | 5b44975614 |
13 | 2b8063c688 |
14 | 16b1673c76 |
15 | be90067b4 |
hex | 7250cc830 |
30686365744 has 10 divisors (see below), whose sum is σ = 59454833660. Its totient is φ = 15343182864.
The previous prime is 30686365741. The next prime is 30686365771. The reversal of 30686365744 is 44756368603.
It is a junction number, because it is equal to n+sod(n) for n = 30686365691 and 30686365700.
It is not an unprimeable number, because it can be changed into a prime (30686365741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 958948914 + ... + 958948945.
It is an arithmetic number, because the mean of its divisors is an integer number (5945483366).
Almost surely, 230686365744 is an apocalyptic number.
It is an amenable number.
30686365744 is a deficient number, since it is larger than the sum of its proper divisors (28768467916).
30686365744 is a wasteful number, since it uses less digits than its factorization.
30686365744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1917897867 (or 1917897861 counting only the distinct ones).
The product of its (nonzero) digits is 8709120, while the sum is 52.
The spelling of 30686365744 in words is "thirty billion, six hundred eighty-six million, three hundred sixty-five thousand, seven hundred forty-four".
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