Base | Representation |
---|---|
bin | 10000000101111… |
… | …101111110010010 |
3 | 200211001102101200 |
4 | 100011331332102 |
5 | 1023110000033 |
6 | 42443012030 |
7 | 6455651031 |
oct | 2005757622 |
9 | 624042350 |
10 | 270000018 |
11 | 129454012 |
12 | 7650a016 |
13 | 43c25b32 |
14 | 27c04718 |
15 | 18a85013 |
hex | 1017df92 |
270000018 has 48 divisors (see below), whose sum is σ = 639415296. Its totient is φ = 81970560.
The previous prime is 269999993. The next prime is 270000023. The reversal of 270000018 is 810000072.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4746 + ... + 23717.
It is an arithmetic number, because the mean of its divisors is an integer number (13321152).
Almost surely, 2270000018 is an apocalyptic number.
270000018 is an abundant number, since it is smaller than the sum of its proper divisors (369415278).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
270000018 is a wasteful number, since it uses less digits than its factorization.
270000018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28519 (or 28516 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 18.
The square root of 270000018 is about 16431.6772728775. The cubic root of 270000018 is about 646.3304213725.
The spelling of 270000018 in words is "two hundred seventy million, eighteen", and thus it is an aban number.
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