Base | Representation |
---|---|
bin | 11100000101011010… |
… | …111001001010001001 |
3 | 2212211121021122020200 |
4 | 130011122321022021 |
5 | 443224330111032 |
6 | 21504153242413 |
7 | 2115200165112 |
oct | 340532711211 |
9 | 85747248220 |
10 | 30155707017 |
11 | 11875124017 |
12 | 5a17103409 |
13 | 2ac7711827 |
14 | 1660dbb209 |
15 | bb763447c |
hex | 7056b9289 |
30155707017 has 12 divisors (see below), whose sum is σ = 43560432240. Its totient is φ = 20102794488.
The previous prime is 30155707003. The next prime is 30155707039. The reversal of 30155707017 is 71070755103.
It is a happy number.
30155707017 is a `hidden beast` number, since 3 + 0 + 1 + 5 + 570 + 70 + 17 = 666.
It is not a de Polignac number, because 30155707017 - 26 = 30155706953 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30155706017) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134878 + ... + 280184.
It is an arithmetic number, because the mean of its divisors is an integer number (3630036020).
Almost surely, 230155707017 is an apocalyptic number.
It is an amenable number.
30155707017 is a deficient number, since it is larger than the sum of its proper divisors (13404725223).
30155707017 is a wasteful number, since it uses less digits than its factorization.
30155707017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168372 (or 168369 counting only the distinct ones).
The product of its (nonzero) digits is 25725, while the sum is 36.
The spelling of 30155707017 in words is "thirty billion, one hundred fifty-five million, seven hundred seven thousand, seventeen".
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