Base | Representation |
---|---|
bin | 11011111111010100… |
… | …000100101001111101 |
3 | 2212120110111120121100 |
4 | 123333110010221331 |
5 | 443022113141210 |
6 | 21450053323313 |
7 | 2112514313406 |
oct | 337724045175 |
9 | 85513446540 |
10 | 30053255805 |
11 | 118223089a1 |
12 | 59a8936539 |
13 | 2aac420401 |
14 | 165154c9ad |
15 | bad6485c0 |
hex | 6ff504a7d |
30053255805 has 24 divisors (see below), whose sum is σ = 52097415552. Its totient is φ = 16026832224.
The previous prime is 30053255801. The next prime is 30053255851. The reversal of 30053255805 is 50855235003.
30053255805 is a `hidden beast` number, since 3 + 0 + 0 + 53 + 25 + 580 + 5 = 666.
It is not a de Polignac number, because 30053255805 - 22 = 30053255801 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30053255805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30053255801) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542712 + ... + 595518.
It is an arithmetic number, because the mean of its divisors is an integer number (2170725648).
Almost surely, 230053255805 is an apocalyptic number.
It is an amenable number.
30053255805 is a deficient number, since it is larger than the sum of its proper divisors (22044159747).
30053255805 is a wasteful number, since it uses less digits than its factorization.
30053255805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65465 (or 65462 counting only the distinct ones).
The product of its (nonzero) digits is 90000, while the sum is 36.
The spelling of 30053255805 in words is "thirty billion, fifty-three million, two hundred fifty-five thousand, eight hundred five".
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