Base | Representation |
---|---|
bin | 10000111001100111… |
… | …100111100010011100 |
3 | 1201211122221120010220 |
4 | 100321213213202130 |
5 | 244131004243220 |
6 | 12200355401340 |
7 | 1211455116153 |
oct | 207147474234 |
9 | 51748846126 |
10 | 18146556060 |
11 | 7772292176 |
12 | 36252b3250 |
13 | 19326c4a49 |
14 | c4209a59a |
15 | 7131a7540 |
hex | 4399e789c |
18146556060 has 48 divisors (see below), whose sum is σ = 50817514272. Its totient is φ = 4838400000.
The previous prime is 18146556049. The next prime is 18146556061. The reversal of 18146556060 is 6065564181.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18146556061) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523260 + ... + 556860.
It is an arithmetic number, because the mean of its divisors is an integer number (1058698214).
Almost surely, 218146556060 is an apocalyptic number.
18146556060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18146556060 is an abundant number, since it is smaller than the sum of its proper divisors (32670958212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18146556060 is a wasteful number, since it uses less digits than its factorization.
18146556060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42614 (or 42612 counting only the distinct ones).
The product of its (nonzero) digits is 172800, while the sum is 42.
The spelling of 18146556060 in words is "eighteen billion, one hundred forty-six million, five hundred fifty-six thousand, sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •