Base | Representation |
---|---|
bin | 11100100010011001… |
… | …100110111111111111 |
3 | 2221002111011022000122 |
4 | 130202121212333333 |
5 | 1000223312103014 |
6 | 22024322245155 |
7 | 2133222635606 |
oct | 344231467777 |
9 | 87074138018 |
10 | 30641909759 |
11 | 11aa461736a |
12 | 5b31ab67bb |
13 | 2b74375866 |
14 | 16a97c0a3d |
15 | be517458e |
hex | 722666fff |
30641909759 has 6 divisors (see below), whose sum is σ = 30915489696. Its totient is φ = 30370729760.
The previous prime is 30641909723. The next prime is 30641909761. The reversal of 30641909759 is 95790914603.
It is a happy number.
It is not a de Polignac number, because 30641909759 - 216 = 30641844223 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30641909759.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30641909719) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 1187087 + ... + 1212624.
It is an arithmetic number, because the mean of its divisors is an integer number (5152581616).
Almost surely, 230641909759 is an apocalyptic number.
30641909759 is a deficient number, since it is larger than the sum of its proper divisors (273579937).
30641909759 is an equidigital number, since it uses as much as digits as its factorization.
30641909759 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2399937 (or 2399824 counting only the distinct ones).
The product of its (nonzero) digits is 1837080, while the sum is 53.
The spelling of 30641909759 in words is "thirty billion, six hundred forty-one million, nine hundred nine thousand, seven hundred fifty-nine".
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