Base | Representation |
---|---|
bin | 11011111100001000… |
… | …111010110010100000 |
3 | 2212102202021220121001 |
4 | 123330020322302200 |
5 | 442420000001120 |
6 | 21440512041344 |
7 | 2111266536214 |
oct | 337410726240 |
9 | 85382256531 |
10 | 30000000160 |
11 | 117a5244169 |
12 | 5992b33254 |
13 | 2aa13951b0 |
14 | 1648448944 |
15 | ba8b28e0a |
hex | 6fc23aca0 |
30000000160 has 48 divisors (see below), whose sum is σ = 76326928776. Its totient is φ = 11076922368.
The previous prime is 30000000139. The next prime is 30000000169. The reversal of 30000000160 is 6100000003.
It can be written as a sum of positive squares in 4 ways, for example, as 10901865744 + 19098134416 = 104412^2 + 138196^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (30000000169) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7209459 + ... + 7213618.
Almost surely, 230000000160 is an apocalyptic number.
It is an amenable number.
30000000160 is an abundant number, since it is smaller than the sum of its proper divisors (46326928616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30000000160 is a wasteful number, since it uses less digits than its factorization.
30000000160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14423105 (or 14423097 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 10.
Adding to 30000000160 its reverse (6100000003), we get a palindrome (36100000163).
The spelling of 30000000160 in words is "thirty billion, one hundred sixty", and thus it is an aban number.
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