Base | Representation |
---|---|
bin | 11010001010111100… |
… | …110101000110010110 |
3 | 2200112101222222221120 |
4 | 122022330311012112 |
5 | 430022324140333 |
6 | 20524234024410 |
7 | 2013240415242 |
oct | 321274650626 |
9 | 80471888846 |
10 | 28101005718 |
11 | 10a10315575 |
12 | 5542b78106 |
13 | 285ab24246 |
14 | 1508163422 |
15 | ae7068db3 |
hex | 68af35196 |
28101005718 has 16 divisors (see below), whose sum is σ = 56203696560. Its totient is φ = 9366721056.
The previous prime is 28101005701. The next prime is 28101005749. The reversal of 28101005718 is 81750010182.
It is a congruent number.
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, 284148 + ... + 370056.
It is an arithmetic number, because the mean of its divisors is an integer number (3512731035).
Almost surely, 228101005718 is an apocalyptic number.
28101005718 is an abundant number, since it is smaller than the sum of its proper divisors (28102690842).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28101005718 is a wasteful number, since it uses less digits than its factorization.
28101005718 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140431.
The product of its (nonzero) digits is 4480, while the sum is 33.
The spelling of 28101005718 in words is "twenty-eight billion, one hundred one million, five thousand, seven hundred eighteen".
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