Base | Representation |
---|---|
bin | 11010010101001010… |
… | …111101001110010010 |
3 | 2200222100122212001020 |
4 | 122111022331032102 |
5 | 430400223344140 |
6 | 20553241220310 |
7 | 2020422060543 |
oct | 322512751622 |
9 | 80870585036 |
10 | 28272481170 |
11 | 10a9909561a |
12 | 5590491696 |
13 | 2887501ccb |
14 | 1522c3c4ca |
15 | b0713b6d0 |
hex | 6952bd392 |
28272481170 has 32 divisors (see below), whose sum is σ = 67869090432. Its totient is φ = 7537646592.
The previous prime is 28272481169. The next prime is 28272481207. The reversal of 28272481170 is 7118427282.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34674 + ... + 240306.
It is an arithmetic number, because the mean of its divisors is an integer number (2120909076).
Almost surely, 228272481170 is an apocalyptic number.
28272481170 is an abundant number, since it is smaller than the sum of its proper divisors (39596609262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28272481170 is a wasteful number, since it uses less digits than its factorization.
28272481170 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210226.
The product of its (nonzero) digits is 100352, while the sum is 42.
The spelling of 28272481170 in words is "twenty-eight billion, two hundred seventy-two million, four hundred eighty-one thousand, one hundred seventy".
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