Base | Representation |
---|---|
bin | 11011111101001100… |
… | …100011011011000111 |
3 | 2212110222122200200221 |
4 | 123331030203123013 |
5 | 442434014331442 |
6 | 21442344045211 |
7 | 2111603332351 |
oct | 337514433307 |
9 | 85428580627 |
10 | 30017730247 |
11 | 1180425402a |
12 | 5998a63807 |
13 | 2aa4c6237b |
14 | 164a9420d1 |
15 | baa47c467 |
hex | 6fd3236c7 |
30017730247 has 2 divisors, whose sum is σ = 30017730248. Its totient is φ = 30017730246.
The previous prime is 30017730221. The next prime is 30017730269. The reversal of 30017730247 is 74203771003.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30017730247 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30017730647) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15008865123 + 15008865124.
It is an arithmetic number, because the mean of its divisors is an integer number (15008865124).
Almost surely, 230017730247 is an apocalyptic number.
30017730247 is a deficient number, since it is larger than the sum of its proper divisors (1).
30017730247 is an equidigital number, since it uses as much as digits as its factorization.
30017730247 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 24696, while the sum is 34.
The spelling of 30017730247 in words is "thirty billion, seventeen million, seven hundred thirty thousand, two hundred forty-seven".
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