Base | Representation |
---|---|
bin | 11010101000000001… |
… | …111001010111001000 |
3 | 2201210102000020021002 |
4 | 122220001321113020 |
5 | 432022222420120 |
6 | 21044502434132 |
7 | 2031313261301 |
oct | 325001712710 |
9 | 81712006232 |
10 | 28588873160 |
11 | 11140745601 |
12 | 565a432948 |
13 | 2907c1bbc3 |
14 | 1552c7b7a8 |
15 | b24cd7375 |
hex | 6a80795c8 |
28588873160 has 32 divisors (see below), whose sum is σ = 64915111800. Its totient is φ = 11330634240.
The previous prime is 28588873141. The next prime is 28588873193. The reversal of 28588873160 is 6137888582.
It can be written as a sum of positive squares in 4 ways, for example, as 28587370084 + 1503076 = 169078^2 + 1226^2 .
It is a junction number, because it is equal to n+sod(n) for n = 28588873096 and 28588873105.
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, 3274181 + ... + 3282900.
Almost surely, 228588873160 is an apocalyptic number.
28588873160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28588873160 is an abundant number, since it is smaller than the sum of its proper divisors (36326238640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28588873160 is a wasteful number, since it uses less digits than its factorization.
28588873160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6557201 (or 6557197 counting only the distinct ones).
The product of its (nonzero) digits is 5160960, while the sum is 56.
The spelling of 28588873160 in words is "twenty-eight billion, five hundred eighty-eight million, eight hundred seventy-three thousand, one hundred sixty".
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