Base | Representation |
---|---|
bin | 11011111111000111… |
… | …110000010010010001 |
3 | 2212120020102112000200 |
4 | 123333013300102101 |
5 | 443020301323031 |
6 | 21445500205413 |
7 | 2112445004055 |
oct | 337707602221 |
9 | 85506375020 |
10 | 30050026641 |
11 | 11820502868 |
12 | 59a7839869 |
13 | 2aab85c66b |
14 | 1650d4bc65 |
15 | bad20b8e6 |
hex | 6ff1f0491 |
30050026641 has 24 divisors (see below), whose sum is σ = 43967539200. Its totient is φ = 19775581056.
The previous prime is 30050026637. The next prime is 30050026663. The reversal of 30050026641 is 14662005003.
It is not a de Polignac number, because 30050026641 - 22 = 30050026637 is a prime.
It is a super-2 number, since 2×300500266412 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30050026841) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 161401 + ... + 293513.
It is an arithmetic number, because the mean of its divisors is an integer number (1831980800).
Almost surely, 230050026641 is an apocalyptic number.
It is an amenable number.
30050026641 is a deficient number, since it is larger than the sum of its proper divisors (13917512559).
30050026641 is a wasteful number, since it uses less digits than its factorization.
30050026641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132445 (or 132442 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The spelling of 30050026641 in words is "thirty billion, fifty million, twenty-six thousand, six hundred forty-one".
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