Base | Representation |
---|---|
bin | 11011111110011010… |
… | …000010010010100101 |
3 | 2212112101212121212101 |
4 | 123332122002102211 |
5 | 443004214314030 |
6 | 21444351252101 |
7 | 2112241066534 |
oct | 337632022245 |
9 | 85471777771 |
10 | 30038041765 |
11 | 11814767406 |
12 | 59a381a031 |
13 | 2aa9224514 |
14 | 164d50c31b |
15 | bac1407ca |
hex | 6fe6824a5 |
30038041765 has 32 divisors (see below), whose sum is σ = 37678265856. Its totient is φ = 22967293440.
The previous prime is 30038041763. The next prime is 30038041769. The reversal of 30038041765 is 56714083003.
It is not a de Polignac number, because 30038041765 - 21 = 30038041763 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30038041763) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8983684 + ... + 8987026.
It is an arithmetic number, because the mean of its divisors is an integer number (1177445808).
Almost surely, 230038041765 is an apocalyptic number.
It is an amenable number.
30038041765 is a deficient number, since it is larger than the sum of its proper divisors (7640224091).
30038041765 is a wasteful number, since it uses less digits than its factorization.
30038041765 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4269.
The product of its (nonzero) digits is 60480, while the sum is 37.
The spelling of 30038041765 in words is "thirty billion, thirty-eight million, forty-one thousand, seven hundred sixty-five".
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