Base | Representation |
---|---|
bin | 10001101001110100… |
… | …101011011100001100 |
3 | 1210221000201022110011 |
4 | 101221310223130030 |
5 | 302310023130114 |
6 | 12412525323004 |
7 | 1240505163214 |
oct | 215164533414 |
9 | 53830638404 |
10 | 18955286284 |
11 | 8047846160 |
12 | 3810106464 |
13 | 1a3111353c |
14 | cbb659244 |
15 | 75e1a61c4 |
hex | 469d2b70c |
18955286284 has 24 divisors (see below), whose sum is σ = 36203339088. Its totient is φ = 8612235840.
The previous prime is 18955286279. The next prime is 18955286299. The reversal of 18955286284 is 48268255981.
It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6954 + ... + 194830.
It is an arithmetic number, because the mean of its divisors is an integer number (1508472462).
Almost surely, 218955286284 is an apocalyptic number.
It is an amenable number.
18955286284 is a deficient number, since it is larger than the sum of its proper divisors (17248052804).
18955286284 is a wasteful number, since it uses less digits than its factorization.
18955286284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 190185 (or 190183 counting only the distinct ones).
The product of its digits is 11059200, while the sum is 58.
The spelling of 18955286284 in words is "eighteen billion, nine hundred fifty-five million, two hundred eighty-six thousand, two hundred eighty-four".
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