Base | Representation |
---|---|
bin | 1100111111001001111110… |
… | …10101011010011000101010 |
3 | 10202010010222001001000121120 |
4 | 12133210333111122120222 |
5 | 12220344344313110220 |
6 | 140423300231320110 |
7 | 6005161204600524 |
oct | 637447725323052 |
9 | 122103861030546 |
10 | 28558300128810 |
11 | 9110563a00401 |
12 | 3252958b20036 |
13 | 12c20615500aa |
14 | 70a32c922a14 |
15 | 347d00d06a40 |
hex | 19f93f55a62a |
28558300128810 has 32 divisors (see below), whose sum is σ = 68540894124480. Its totient is φ = 7615438499328.
The previous prime is 28558300128797. The next prime is 28558300128817. The reversal of 28558300128810 is 1882100385582.
It is a super-2 number, since 2×285583001288102 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28558300128817) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4604640 + ... + 8849819.
It is an arithmetic number, because the mean of its divisors is an integer number (2141902941390).
Almost surely, 228558300128810 is an apocalyptic number.
28558300128810 is an abundant number, since it is smaller than the sum of its proper divisors (39982593995670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28558300128810 is a wasteful number, since it uses less digits than its factorization.
28558300128810 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13525222.
The product of its (nonzero) digits is 1228800, while the sum is 51.
The spelling of 28558300128810 in words is "twenty-eight trillion, five hundred fifty-eight billion, three hundred million, one hundred twenty-eight thousand, eight hundred ten".
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