Base | Representation |
---|---|
bin | 11010101110001011110… |
… | …00101011000000010110 |
3 | 10020202220022110002120200 |
4 | 31113011320223000112 |
5 | 110020331342024224 |
6 | 1541442534041330 |
7 | 123222364150551 |
oct | 15270570530026 |
9 | 3222808402520 |
10 | 918148001814 |
11 | 32442567a1aa |
12 | 129b39aa9246 |
13 | 68772568c14 |
14 | 3261d73b698 |
15 | 18d3a8bc5c9 |
hex | d5c5e2b016 |
918148001814 has 48 divisors (see below), whose sum is σ = 2002904611344. Its totient is φ = 303963883200.
The previous prime is 918148001803. The next prime is 918148001831. The reversal of 918148001814 is 418100841819.
918148001814 is a `hidden beast` number, since 91 + 8 + 1 + 480 + 0 + 1 + 81 + 4 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 918148001814.
It is a congruent number.
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 23 ways as a sum of consecutive naturals, for example, 2336149 + ... + 2700719.
It is an arithmetic number, because the mean of its divisors is an integer number (41727179403).
Almost surely, 2918148001814 is an apocalyptic number.
918148001814 is an abundant number, since it is smaller than the sum of its proper divisors (1084756609530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
918148001814 is a wasteful number, since it uses less digits than its factorization.
918148001814 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 365533 (or 365530 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 45.
The spelling of 918148001814 in words is "nine hundred eighteen billion, one hundred forty-eight million, one thousand, eight hundred fourteen".
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