Base | Representation |
---|---|
bin | 1011001011010000… |
… | …0101111000010010 |
3 | 21202002000210100210 |
4 | 2302310011320102 |
5 | 22121000000033 |
6 | 1213404224550 |
7 | 134225402511 |
oct | 26264057022 |
9 | 7662023323 |
10 | 3000000018 |
11 | 12aa470464 |
12 | 6b883b156 |
13 | 38a6b4552 |
14 | 206606678 |
15 | 128593d63 |
hex | b2d05e12 |
3000000018 has 8 divisors (see below), whose sum is σ = 6000000048. Its totient is φ = 1000000004.
The previous prime is 2999999929. The next prime is 3000000019. The reversal of 3000000018 is 8100000003.
It is a sphenic number, since it is the product of 3 distinct primes.
3000000018 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (3000000019) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249999996 + ... + 250000007.
It is an arithmetic number, because the mean of its divisors is an integer number (750000006).
Almost surely, 23000000018 is an apocalyptic number.
3000000018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3000000018 is a wasteful number, since it uses less digits than its factorization.
3000000018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 500000008.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 3000000018 is about 54772.2559148334. The cubic root of 3000000018 is about 1442.2495731919.
The spelling of 3000000018 in words is "three billion, eighteen", and thus it is an aban number and an uban number.
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