Base | Representation |
---|---|
bin | 11011111111011010… |
… | …110010110001000011 |
3 | 2212120120211002020202 |
4 | 123333122302301003 |
5 | 443023041030124 |
6 | 21450155155415 |
7 | 2112535301561 |
oct | 337732626103 |
9 | 85516732222 |
10 | 30055017539 |
11 | 11823301578 |
12 | 59a9445b6b |
13 | 2aac8b9261 |
14 | 165188aa31 |
15 | bad8955ae |
hex | 6ff6b2c43 |
30055017539 has 4 divisors (see below), whose sum is σ = 31361757456. Its totient is φ = 28748277624.
The previous prime is 30055017529. The next prime is 30055017541. The reversal of 30055017539 is 93571055003.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30055017539 - 216 = 30054952003 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30055017529) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653369924 + ... + 653369969.
It is an arithmetic number, because the mean of its divisors is an integer number (7840439364).
Almost surely, 230055017539 is an apocalyptic number.
30055017539 is a deficient number, since it is larger than the sum of its proper divisors (1306739917).
30055017539 is a wasteful number, since it uses less digits than its factorization.
30055017539 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1306739916.
The product of its (nonzero) digits is 70875, while the sum is 38.
The spelling of 30055017539 in words is "thirty billion, fifty-five million, seventeen thousand, five hundred thirty-nine".
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