Base | Representation |
---|---|
bin | 1101000100110110111100… |
… | …11100110010000111010000 |
3 | 10202210212201122102200022000 |
4 | 12202123132130302013100 |
5 | 12232102142222313142 |
6 | 141053303354514000 |
7 | 6025265644125552 |
oct | 642333634620720 |
9 | 122725648380260 |
10 | 28754243166672 |
11 | 9186673711931 |
12 | 3284921a35900 |
13 | 130768a1c554a |
14 | 7159d9ca34d2 |
15 | 34ce6d00314c |
hex | 1a26de7321d0 |
28754243166672 has 40 divisors (see below), whose sum is σ = 82535327609280. Its totient is φ = 9584747722080.
The previous prime is 28754243166559. The next prime is 28754243166683. The reversal of 28754243166672 is 27666134245782.
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, 33280373604 + ... + 33280374467.
It is an arithmetic number, because the mean of its divisors is an integer number (2063383190232).
Almost surely, 228754243166672 is an apocalyptic number.
It is an amenable number.
28754243166672 is an abundant number, since it is smaller than the sum of its proper divisors (53781084442608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28754243166672 is a wasteful number, since it uses less digits than its factorization.
28754243166672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66560748088 (or 66560748076 counting only the distinct ones).
The product of its digits is 162570240, while the sum is 63.
The spelling of 28754243166672 in words is "twenty-eight trillion, seven hundred fifty-four billion, two hundred forty-three million, one hundred sixty-six thousand, six hundred seventy-two".
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