Base | Representation |
---|---|
bin | 11100011000000001… |
… | …001110111101010101 |
3 | 2220122100102221112212 |
4 | 130120001032331111 |
5 | 444344220411134 |
6 | 21555141323205 |
7 | 2126006403452 |
oct | 343001167525 |
9 | 86570387485 |
10 | 30467747669 |
11 | 11a15281857 |
12 | 5aa3706505 |
13 | 2b47266c78 |
14 | 1690606829 |
15 | bd4c20bce |
hex | 71804ef55 |
30467747669 has 2 divisors, whose sum is σ = 30467747670. Its totient is φ = 30467747668.
The previous prime is 30467747641. The next prime is 30467747683. The reversal of 30467747669 is 96674776403.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 30434547025 + 33200644 = 174455^2 + 5762^2 .
It is an emirp because it is prime and its reverse (96674776403) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30467747669 - 224 = 30450970453 is a prime.
It is a super-2 number, since 2×304677476692 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30467747069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15233873834 + 15233873835.
It is an arithmetic number, because the mean of its divisors is an integer number (15233873835).
Almost surely, 230467747669 is an apocalyptic number.
It is an amenable number.
30467747669 is a deficient number, since it is larger than the sum of its proper divisors (1).
30467747669 is an equidigital number, since it uses as much as digits as its factorization.
30467747669 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 32006016, while the sum is 59.
The spelling of 30467747669 in words is "thirty billion, four hundred sixty-seven million, seven hundred forty-seven thousand, six hundred sixty-nine".
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