Base | Representation |
---|---|
bin | 11011111100111010… |
… | …100011100000100000 |
3 | 2212110122202222111001 |
4 | 123330322203200200 |
5 | 442431312341000 |
6 | 21442055001344 |
7 | 2111515251466 |
oct | 337472434040 |
9 | 85418688431 |
10 | 30013012000 |
11 | 11801621154 |
12 | 5997369254 |
13 | 2aa3c9c8ca |
14 | 164a074836 |
15 | ba9d4946a |
hex | 6fcea3820 |
30013012000 has 48 divisors (see below), whose sum is σ = 73741980312. Its totient is φ = 12005203200.
The previous prime is 30013011961. The next prime is 30013012013. The reversal of 30013012000 is 21031003.
It can be written as a sum of positive squares in 4 ways, for example, as 16248091024 + 13764920976 = 127468^2 + 117324^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
It is an unprimeable number.
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, 3747627 + ... + 3755626.
Almost surely, 230013012000 is an apocalyptic number.
It is an amenable number.
30013012000 is an abundant number, since it is smaller than the sum of its proper divisors (43728968312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30013012000 is an equidigital number, since it uses as much as digits as its factorization.
30013012000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7503278 (or 7503260 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 10.
Adding to 30013012000 its reverse (21031003), we get a palindrome (30034043003).
The spelling of 30013012000 in words is "thirty billion, thirteen million, twelve thousand".
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