Base | Representation |
---|---|
bin | 11010010101111100… |
… | …100000101001010010 |
3 | 2201000021002211011200 |
4 | 122111330200221102 |
5 | 430412040040224 |
6 | 20554423452030 |
7 | 2020640352642 |
oct | 322574405122 |
9 | 81007084150 |
10 | 28285471314 |
11 | 10aa5458281 |
12 | 55948b7016 |
13 | 288a0cc899 |
14 | 1524860522 |
15 | b083555c9 |
hex | 695f20a52 |
28285471314 has 24 divisors (see below), whose sum is σ = 62441514252. Its totient is φ = 9250594080.
The previous prime is 28285471307. The next prime is 28285471321. The reversal of 28285471314 is 41317458282.
28285471314 is a `hidden beast` number, since 2 + 82 + 8 + 547 + 13 + 14 = 666.
It is an interprime number because it is at equal distance from previous prime (28285471307) and next prime (28285471321).
It can be written as a sum of positive squares in 2 ways, for example, as 27434290689 + 851180625 = 165633^2 + 29175^2 .
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 28285471314.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14823717 + ... + 14825624.
Almost surely, 228285471314 is an apocalyptic number.
28285471314 is an abundant number, since it is smaller than the sum of its proper divisors (34156042938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28285471314 is a wasteful number, since it uses less digits than its factorization.
28285471314 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29649402 (or 29649399 counting only the distinct ones).
The product of its digits is 430080, while the sum is 45.
The spelling of 28285471314 in words is "twenty-eight billion, two hundred eighty-five million, four hundred seventy-one thousand, three hundred fourteen".
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