Base | Representation |
---|---|
bin | 11110000101000001… |
… | …11010000111000100 |
3 | 1112200101220001201001 |
4 | 33002200322013010 |
5 | 231032431332140 |
6 | 11230214143044 |
7 | 1111112233246 |
oct | 170240720704 |
9 | 45611801631 |
10 | 16148308420 |
11 | 6937332142 |
12 | 3168051a84 |
13 | 16a47121aa |
14 | ad293a096 |
15 | 647a3de9a |
hex | 3c283a1c4 |
16148308420 has 24 divisors (see below), whose sum is σ = 33937810200. Its totient is φ = 6454301952.
The previous prime is 16148308403. The next prime is 16148308489. The reversal of 16148308420 is 2480384161.
It can be written as a sum of positive squares in 4 ways, for example, as 5900390596 + 10247917824 = 76814^2 + 101232^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 16148308420.
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, 287415 + ... + 338974.
It is an arithmetic number, because the mean of its divisors is an integer number (1414075425).
Almost surely, 216148308420 is an apocalyptic number.
16148308420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
16148308420 is an abundant number, since it is smaller than the sum of its proper divisors (17789501780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16148308420 is a wasteful number, since it uses less digits than its factorization.
16148308420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 627687 (or 627685 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 37.
The spelling of 16148308420 in words is "sixteen billion, one hundred forty-eight million, three hundred eight thousand, four hundred twenty".
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