Base | Representation |
---|---|
bin | 10000111011101000… |
… | …010110100111000100 |
3 | 1201221000110002122200 |
4 | 100323220112213010 |
5 | 244213124201200 |
6 | 12204002554500 |
7 | 1212345012465 |
oct | 207350264704 |
9 | 51830402580 |
10 | 18180303300 |
11 | 778a341a55 |
12 | 3634668a30 |
13 | 19396ac523 |
14 | c46762d6c |
15 | 716121800 |
hex | 43ba169c4 |
18180303300 has 54 divisors (see below), whose sum is σ = 56985153498. Its totient is φ = 4848080640.
The previous prime is 18180303283. The next prime is 18180303331. The reversal of 18180303300 is 330308181.
It can be written as a sum of positive squares in 3 ways, for example, as 3969756036 + 14210547264 = 63006^2 + 119208^2 .
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10099269 + ... + 10101068.
Almost surely, 218180303300 is an apocalyptic number.
18180303300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18180303300 is an abundant number, since it is smaller than the sum of its proper divisors (38804850198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18180303300 is a wasteful number, since it uses less digits than its factorization.
18180303300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20200357 (or 20200347 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The spelling of 18180303300 in words is "eighteen billion, one hundred eighty million, three hundred three thousand, three hundred".
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