Base | Representation |
---|---|
bin | 11010101101001100… |
… | …001101110101111010 |
3 | 2202000102221112100100 |
4 | 122231030031311322 |
5 | 432211404331240 |
6 | 21101234420230 |
7 | 2033414266344 |
oct | 325514156572 |
9 | 82012845310 |
10 | 28675464570 |
11 | 11185608a55 |
12 | 5683431676 |
13 | 291cb4951c |
14 | 156057c294 |
15 | b2c6dde30 |
hex | 6ad30dd7a |
28675464570 has 48 divisors (see below), whose sum is σ = 74566039392. Its totient is φ = 7645782240.
The previous prime is 28675464511. The next prime is 28675464577. The reversal of 28675464570 is 7546457682.
It is a happy number.
28675464570 is a `hidden beast` number, since 2 + 8 + 6 + 7 + 5 + 4 + 64 + 570 = 666.
It is not an unprimeable number, because it can be changed into a prime (28675464577) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 877749 + ... + 909831.
It is an arithmetic number, because the mean of its divisors is an integer number (1553459154).
Almost surely, 228675464570 is an apocalyptic number.
28675464570 is an abundant number, since it is smaller than the sum of its proper divisors (45890574822).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28675464570 is a wasteful number, since it uses less digits than its factorization.
28675464570 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42027 (or 42024 counting only the distinct ones).
The product of its (nonzero) digits is 11289600, while the sum is 54.
The spelling of 28675464570 in words is "twenty-eight billion, six hundred seventy-five million, four hundred sixty-four thousand, five hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •