Base | Representation |
---|---|
bin | 11010001011101111… |
… | …001111100010111110 |
3 | 2200120022212102020120 |
4 | 122023233033202332 |
5 | 430034220034441 |
6 | 20525425155410 |
7 | 2013460636416 |
oct | 321357174276 |
9 | 80508772216 |
10 | 28114221246 |
11 | 10a178215a1 |
12 | 554748bb66 |
13 | 28607a0597 |
14 | 1509c03646 |
15 | ae82c9966 |
hex | 68bbcf8be |
28114221246 has 32 divisors (see below), whose sum is σ = 56416953600. Its totient is φ = 9340019520.
The previous prime is 28114221241. The next prime is 28114221269. The reversal of 28114221246 is 64212241182.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28114221241) 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, 6328386 + ... + 6332826.
It is an arithmetic number, because the mean of its divisors is an integer number (1763029800).
Almost surely, 228114221246 is an apocalyptic number.
28114221246 is an abundant number, since it is smaller than the sum of its proper divisors (28302732354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28114221246 is a wasteful number, since it uses less digits than its factorization.
28114221246 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7744.
The product of its digits is 12288, while the sum is 33.
The spelling of 28114221246 in words is "twenty-eight billion, one hundred fourteen million, two hundred twenty-one thousand, two hundred forty-six".
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