Base | Representation |
---|---|
bin | 11010001100100001… |
… | …100011100100110000 |
3 | 2200121020200111110201 |
4 | 122030201203210300 |
5 | 430101104113410 |
6 | 20531020004544 |
7 | 2014011021121 |
oct | 321441434460 |
9 | 80536614421 |
10 | 28127410480 |
11 | 10a2420a894 |
12 | 554b990754 |
13 | 286343a970 |
14 | 150b878048 |
15 | ae953283a |
hex | 68c863930 |
28127410480 has 160 divisors (see below), whose sum is σ = 71582918400. Its totient is φ = 10216267776.
The previous prime is 28127410477. The next prime is 28127410543. The reversal of 28127410480 is 8401472182.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21195577 + ... + 21196903.
It is an arithmetic number, because the mean of its divisors is an integer number (447393240).
Almost surely, 228127410480 is an apocalyptic number.
28127410480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28127410480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35791459200).
28127410480 is an abundant number, since it is smaller than the sum of its proper divisors (43455507920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28127410480 is a wasteful number, since it uses less digits than its factorization.
28127410480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1671 (or 1665 counting only the distinct ones).
The product of its (nonzero) digits is 28672, while the sum is 37.
The spelling of 28127410480 in words is "twenty-eight billion, one hundred twenty-seven million, four hundred ten thousand, four hundred eighty".
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