Base | Representation |
---|---|
bin | 11010001000010111… |
… | …110011000101100010 |
3 | 2200102101121001122010 |
4 | 122020113303011202 |
5 | 424430240244324 |
6 | 20520050453350 |
7 | 2012203613040 |
oct | 321027630542 |
9 | 80371531563 |
10 | 28057743714 |
11 | 10998957150 |
12 | 5530594256 |
13 | 2851b87a20 |
14 | 1502501390 |
15 | ae3370829 |
hex | 6885f3162 |
28057743714 has 128 divisors (see below), whose sum is σ = 75594258432. Its totient is φ = 6704778240.
The previous prime is 28057743673. The next prime is 28057743731. The reversal of 28057743714 is 41734775082.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1836234 + ... + 1851450.
It is an arithmetic number, because the mean of its divisors is an integer number (590580144).
Almost surely, 228057743714 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28057743714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37797129216).
28057743714 is an abundant number, since it is smaller than the sum of its proper divisors (47536514718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28057743714 is a wasteful number, since it uses less digits than its factorization.
28057743714 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15560.
The product of its (nonzero) digits is 1317120, while the sum is 48.
The spelling of 28057743714 in words is "twenty-eight billion, fifty-seven million, seven hundred forty-three thousand, seven hundred fourteen".
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