Base | Representation |
---|---|
bin | 11010001000011011… |
… | …001011000001000000 |
3 | 2200102110020222212101 |
4 | 122020123023001000 |
5 | 424431002100120 |
6 | 20520121440144 |
7 | 2012214255433 |
oct | 321033130100 |
9 | 80373228771 |
10 | 28058628160 |
11 | 109994006a2 |
12 | 5530940054 |
13 | 2852107474 |
14 | 150269181a |
15 | ae349790a |
hex | 6886cb040 |
28058628160 has 56 divisors (see below), whose sum is σ = 67340805120. Its totient is φ = 11135061504.
The previous prime is 28058628139. The next prime is 28058628167. The reversal of 28058628160 is 6182685082.
It is a super-2 number, since 2×280586281602 (a number of 22 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 28058628160.
It is not an unprimeable number, because it can be changed into a prime (28058628167) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304570 + ... + 385849.
Almost surely, 228058628160 is an apocalyptic number.
28058628160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28058628160 is an abundant number, since it is smaller than the sum of its proper divisors (39282176960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28058628160 is a wasteful number, since it uses less digits than its factorization.
28058628160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 690563 (or 690553 counting only the distinct ones).
The product of its (nonzero) digits is 368640, while the sum is 46.
The spelling of 28058628160 in words is "twenty-eight billion, fifty-eight million, six hundred twenty-eight thousand, one hundred sixty".
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