Base | Representation |
---|---|
bin | 11010110110101010… |
… | …010110001011001000 |
3 | 2202102111221011002201 |
4 | 122312222112023020 |
5 | 433023043423320 |
6 | 21125112205544 |
7 | 2040353666362 |
oct | 326652261310 |
9 | 82374834081 |
10 | 28834357960 |
11 | 11257274a01 |
12 | 57086998b4 |
13 | 2946a40395 |
14 | 15776ddd32 |
15 | b3b62870a |
hex | 6b6a962c8 |
28834357960 has 32 divisors (see below), whose sum is σ = 64884056760. Its totient is φ = 11532542976.
The previous prime is 28834357957. The next prime is 28834358017. The reversal of 28834357960 is 6975343882.
It can be written as a sum of positive squares in 4 ways, for example, as 23502729636 + 5331628324 = 153306^2 + 73018^2 .
It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420832 + ... + 484528.
Almost surely, 228834357960 is an apocalyptic number.
28834357960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28834357960 is an abundant number, since it is smaller than the sum of its proper divisors (36049698800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28834357960 is a wasteful number, since it uses less digits than its factorization.
28834357960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75025 (or 75021 counting only the distinct ones).
The product of its (nonzero) digits is 8709120, while the sum is 55.
The spelling of 28834357960 in words is "twenty-eight billion, eight hundred thirty-four million, three hundred fifty-seven thousand, nine hundred sixty".
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