Base | Representation |
---|---|
bin | 10000111101101010… |
… | …001100111001101110 |
3 | 1202000101111110022200 |
4 | 100331222030321232 |
5 | 244300332423004 |
6 | 12211220322330 |
7 | 1213240232433 |
oct | 207552147156 |
9 | 52011443280 |
10 | 18214342254 |
11 | 77a7580a19 |
12 | 3643b433a6 |
13 | 1943769a14 |
14 | c4b0a3b8a |
15 | 7190e7239 |
hex | 43da8ce6e |
18214342254 has 12 divisors (see below), whose sum is σ = 39464408256. Its totient is φ = 6071447412.
The previous prime is 18214342241. The next prime is 18214342271. The reversal of 18214342254 is 45224341281.
18214342254 is a `hidden beast` number, since 18 + 214 + 3 + 422 + 5 + 4 = 666.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
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 5 ways as a sum of consecutive naturals, for example, 505953934 + ... + 505953969.
It is an arithmetic number, because the mean of its divisors is an integer number (3288700688).
Almost surely, 218214342254 is an apocalyptic number.
18214342254 is an abundant number, since it is smaller than the sum of its proper divisors (21250066002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18214342254 is a wasteful number, since it uses less digits than its factorization.
18214342254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1011907911 (or 1011907908 counting only the distinct ones).
The product of its digits is 61440, while the sum is 36.
The spelling of 18214342254 in words is "eighteen billion, two hundred fourteen million, three hundred forty-two thousand, two hundred fifty-four".
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