Base | Representation |
---|---|
bin | 10000110100001111… |
… | …001100100111010100 |
3 | 1201121101001110112201 |
4 | 100310033030213110 |
5 | 243434401040434 |
6 | 12143412254244 |
7 | 1206310514320 |
oct | 206417144724 |
9 | 51541043481 |
10 | 18056268244 |
11 | 7726324643 |
12 | 35bb011384 |
13 | 1919aa1ac1 |
14 | c340b6980 |
15 | 70a2c0614 |
hex | 4343cc9d4 |
18056268244 has 24 divisors (see below), whose sum is σ = 36240158528. Its totient is φ = 7711053120.
The previous prime is 18056268239. The next prime is 18056268281. The reversal of 18056268244 is 44286265081.
It is a junction number, because it is equal to n+sod(n) for n = 18056268194 and 18056268203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131417 + ... + 1147264.
Almost surely, 218056268244 is an apocalyptic number.
18056268244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
18056268244 is an abundant number, since it is smaller than the sum of its proper divisors (18183890284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18056268244 is a wasteful number, since it uses less digits than its factorization.
18056268244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2278975 (or 2278973 counting only the distinct ones).
The product of its (nonzero) digits is 737280, while the sum is 46.
The spelling of 18056268244 in words is "eighteen billion, fifty-six million, two hundred sixty-eight thousand, two hundred forty-four".
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