Base | Representation |
---|---|
bin | 10000110111101100… |
… | …011001001110011100 |
3 | 1201202102011102200002 |
4 | 100313230121032130 |
5 | 244044222104344 |
6 | 12153243153432 |
7 | 1210613421230 |
oct | 206754311634 |
9 | 51672142602 |
10 | 18114253724 |
11 | 7756029a26 |
12 | 3616515878 |
13 | 1928ac4b38 |
14 | c3ba8c5c0 |
15 | 71042644e |
hex | 437b1939c |
18114253724 has 12 divisors (see below), whose sum is σ = 36228507504. Its totient is φ = 7763251584.
The previous prime is 18114253721. The next prime is 18114253753. The reversal of 18114253724 is 42735241181.
It is a happy number.
18114253724 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18114253721) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323468789 + ... + 323468844.
It is an arithmetic number, because the mean of its divisors is an integer number (3019042292).
Almost surely, 218114253724 is an apocalyptic number.
18114253724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
18114253724 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18114253724 is a wasteful number, since it uses less digits than its factorization.
18114253724 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 646937644 (or 646937642 counting only the distinct ones).
The product of its digits is 53760, while the sum is 38.
The spelling of 18114253724 in words is "eighteen billion, one hundred fourteen million, two hundred fifty-three thousand, seven hundred twenty-four".
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