Base | Representation |
---|---|
bin | 10001100100111111… |
… | …111111000110010000 |
3 | 1210201101110001100210 |
4 | 101210333333012100 |
5 | 302123314124204 |
6 | 12400515044120 |
7 | 1235503310115 |
oct | 214477770620 |
9 | 53641401323 |
10 | 18874364304 |
11 | 80060a5294 |
12 | 37a8ba0640 |
13 | 1a1a41c603 |
14 | cb09d290c |
15 | 75701e389 |
hex | 464fff190 |
18874364304 has 40 divisors (see below), whose sum is σ = 49031192160. Its totient is φ = 6256304128.
The previous prime is 18874364297. The next prime is 18874364323. The reversal of 18874364304 is 40346347881.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089777 + ... + 1106960.
It is an arithmetic number, because the mean of its divisors is an integer number (1225779804).
Almost surely, 218874364304 is an apocalyptic number.
It is an amenable number.
18874364304 is an abundant number, since it is smaller than the sum of its proper divisors (30156827856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18874364304 is a wasteful number, since it uses less digits than its factorization.
18874364304 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2196927 (or 2196921 counting only the distinct ones).
The product of its (nonzero) digits is 1548288, while the sum is 48.
The spelling of 18874364304 in words is "eighteen billion, eight hundred seventy-four million, three hundred sixty-four thousand, three hundred four".
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