Base | Representation |
---|---|
bin | 11011111101111011… |
… | …010110111110110111 |
3 | 2212111211202001201021 |
4 | 123331323112332313 |
5 | 443000140000210 |
6 | 21443503042011 |
7 | 2112112534366 |
oct | 337573267667 |
9 | 85454661637 |
10 | 30030000055 |
11 | 11810174570 |
12 | 59a0ba0307 |
13 | 2aa766a103 |
14 | 164c4177dd |
15 | bab5a2bda |
hex | 6fded6fb7 |
30030000055 has 8 divisors (see below), whose sum is σ = 39312000144. Its totient is φ = 21840000000.
The previous prime is 30030000053. The next prime is 30030000073. The reversal of 30030000055 is 55000003003.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30030000055 - 21 = 30030000053 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30029999993 and 30030000038.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30030000053) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272999946 + ... + 273000055.
It is an arithmetic number, because the mean of its divisors is an integer number (4914000018).
Almost surely, 230030000055 is an apocalyptic number.
30030000055 is a deficient number, since it is larger than the sum of its proper divisors (9282000089).
30030000055 is a wasteful number, since it uses less digits than its factorization.
30030000055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 546000017.
The product of its (nonzero) digits is 225, while the sum is 16.
Adding to 30030000055 its reverse (55000003003), we get a palindrome (85030003058).
The spelling of 30030000055 in words is "thirty billion, thirty million, fifty-five", and thus it is an aban number and an uban number.
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