Base | Representation |
---|---|
bin | 1101000110010010111101… |
… | …11010110000111010100000 |
3 | 10202222121020102012211202120 |
4 | 12203021132322300322200 |
5 | 12233404330121244414 |
6 | 141132113323544240 |
7 | 6031665062062533 |
oct | 643113672607240 |
9 | 122877212184676 |
10 | 28803643149984 |
11 | 91a561371551a |
12 | 329240998b080 |
13 | 130c230861bc1 |
14 | 718164a44a1a |
15 | 34e3aed752a9 |
hex | 1a325eeb0ea0 |
28803643149984 has 96 divisors (see below), whose sum is σ = 75780260519040. Its totient is φ = 9579542246400.
The previous prime is 28803643149977. The next prime is 28803643150001. The reversal of 28803643149984 is 48994134630882.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.
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, 687761557 + ... + 687803435.
It is an arithmetic number, because the mean of its divisors is an integer number (789377713740).
Almost surely, 228803643149984 is an apocalyptic number.
28803643149984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
28803643149984 is an abundant number, since it is smaller than the sum of its proper divisors (46976617369056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28803643149984 is a wasteful number, since it uses less digits than its factorization.
28803643149984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57894 (or 57886 counting only the distinct ones).
The product of its (nonzero) digits is 286654464, while the sum is 69.
The spelling of 28803643149984 in words is "twenty-eight trillion, eight hundred three billion, six hundred forty-three million, one hundred forty-nine thousand, nine hundred eighty-four".
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