Base | Representation |
---|---|
bin | 11010010111010100… |
… | …110110000010001010 |
3 | 2201001212200021121200 |
4 | 122113110312002022 |
5 | 430434002040334 |
6 | 21001012045030 |
7 | 2021341235652 |
oct | 322724660212 |
9 | 81055607550 |
10 | 28308627594 |
11 | 110075339a5 |
12 | 55a0603776 |
13 | 2891b49820 |
14 | 152796b362 |
15 | b0a3cb799 |
hex | 69753608a |
28308627594 has 48 divisors (see below), whose sum is σ = 66160857672. Its totient is φ = 8696185344.
The previous prime is 28308627593. The next prime is 28308627629. The reversal of 28308627594 is 49572680382.
28308627594 is a `hidden beast` number, since 2 + 8 + 3 + 0 + 8 + 627 + 5 + 9 + 4 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 3241821969 + 25066805625 = 56937^2 + 158325^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 28308627594.
It is not an unprimeable number, because it can be changed into a prime (28308627593) 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, 46342 + ... + 242414.
Almost surely, 228308627594 is an apocalyptic number.
28308627594 is an abundant number, since it is smaller than the sum of its proper divisors (37852230078).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28308627594 is a wasteful number, since it uses less digits than its factorization.
28308627594 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196711 (or 196708 counting only the distinct ones).
The product of its (nonzero) digits is 5806080, while the sum is 54.
The spelling of 28308627594 in words is "twenty-eight billion, three hundred eight million, six hundred twenty-seven thousand, five hundred ninety-four".
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