Base | Representation |
---|---|
bin | 11111011010110110… |
… | …01101101101110100 |
3 | 1121112120120011212222 |
4 | 33231123031231310 |
5 | 234021232024043 |
6 | 11425452501512 |
7 | 1135003433021 |
oct | 175533155564 |
9 | 47476504788 |
10 | 16868236148 |
11 | 7176752535 |
12 | 332917a898 |
13 | 178a90ab2a |
14 | b603c0548 |
15 | 68ad4ad68 |
hex | 3ed6cdb74 |
16868236148 has 12 divisors (see below), whose sum is σ = 29564076612. Its totient is φ = 8421357120.
The previous prime is 16868236129. The next prime is 16868236159. The reversal of 16868236148 is 84163286861.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 11216504464 + 5651731684 = 105908^2 + 75178^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 16868236148.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3187265 + ... + 3192552.
It is an arithmetic number, because the mean of its divisors is an integer number (2463673051).
Almost surely, 216868236148 is an apocalyptic number.
It is an amenable number.
16868236148 is a deficient number, since it is larger than the sum of its proper divisors (12695840464).
16868236148 is a wasteful number, since it uses less digits than its factorization.
16868236148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6380482 (or 6380480 counting only the distinct ones).
The product of its digits is 2654208, while the sum is 53.
The spelling of 16868236148 in words is "sixteen billion, eight hundred sixty-eight million, two hundred thirty-six thousand, one hundred forty-eight".
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