Base | Representation |
---|---|
bin | 11011111111011100… |
… | …011011101111010111 |
3 | 2212120121121221001122 |
4 | 123333130123233113 |
5 | 443023143310021 |
6 | 21450212314155 |
7 | 2112542042255 |
oct | 337734335727 |
9 | 85517557048 |
10 | 30055447511 |
11 | 11823575621 |
12 | 59a961295b |
13 | 2aaca09b8b |
14 | 165195d5d5 |
15 | bad92cbab |
hex | 6ff71bbd7 |
30055447511 has 2 divisors, whose sum is σ = 30055447512. Its totient is φ = 30055447510.
The previous prime is 30055447493. The next prime is 30055447553. The reversal of 30055447511 is 11574455003.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30055447511 - 234 = 12875578327 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30055441511) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15027723755 + 15027723756.
It is an arithmetic number, because the mean of its divisors is an integer number (15027723756).
Almost surely, 230055447511 is an apocalyptic number.
30055447511 is a deficient number, since it is larger than the sum of its proper divisors (1).
30055447511 is an equidigital number, since it uses as much as digits as its factorization.
30055447511 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 42000, while the sum is 35.
The spelling of 30055447511 in words is "thirty billion, fifty-five million, four hundred forty-seven thousand, five hundred eleven".
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