Base | Representation |
---|---|
bin | 11011111100100111… |
… | …010000111110101011 |
3 | 2212110022021002002111 |
4 | 123330213100332223 |
5 | 442424014032441 |
6 | 21441354343151 |
7 | 2111424261232 |
oct | 337447207653 |
9 | 85408232074 |
10 | 30007955371 |
11 | 117a9788019 |
12 | 599572aab7 |
13 | 2aa2c1c114 |
14 | 1649519b19 |
15 | ba969b081 |
hex | 6fc9d0fab |
30007955371 has 2 divisors, whose sum is σ = 30007955372. Its totient is φ = 30007955370.
The previous prime is 30007955363. The next prime is 30007955507. The reversal of 30007955371 is 17355970003.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30007955371 - 23 = 30007955363 is a prime.
It is not a weakly prime, because it can be changed into another prime (30007955071) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15003977685 + 15003977686.
It is an arithmetic number, because the mean of its divisors is an integer number (15003977686).
Almost surely, 230007955371 is an apocalyptic number.
30007955371 is a deficient number, since it is larger than the sum of its proper divisors (1).
30007955371 is an equidigital number, since it uses as much as digits as its factorization.
30007955371 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 99225, while the sum is 40.
The spelling of 30007955371 in words is "thirty billion, seven million, nine hundred fifty-five thousand, three hundred seventy-one".
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