Base | Representation |
---|---|
bin | 1101001000101101010110… |
… | …00110101100011101010100 |
3 | 10210021112011122101212121122 |
4 | 12210112223012230131110 |
5 | 12241234101041141000 |
6 | 141234141533103112 |
7 | 6040661015250503 |
oct | 644265306543524 |
9 | 123245148355548 |
10 | 28886525724500 |
11 | 9227785779494 |
12 | 32a649b027a98 |
13 | 1316cabc460c2 |
14 | 71c18857a83a |
15 | 351611440085 |
hex | 1a45ab1ac754 |
28886525724500 has 48 divisors (see below), whose sum is σ = 63164458663488. Its totient is φ = 11540638407200.
The previous prime is 28886525724479. The next prime is 28886525724631. The reversal of 28886525724500 is 542752568882.
It is a congruent number.
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, 34515794 + ... + 35342793.
It is an arithmetic number, because the mean of its divisors is an integer number (1315926222156).
Almost surely, 228886525724500 is an apocalyptic number.
28886525724500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28886525724500 is an abundant number, since it is smaller than the sum of its proper divisors (34277932938988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28886525724500 is a wasteful number, since it uses less digits than its factorization.
28886525724500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69859433 (or 69859421 counting only the distinct ones).
The product of its (nonzero) digits is 86016000, while the sum is 62.
The spelling of 28886525724500 in words is "twenty-eight trillion, eight hundred eighty-six billion, five hundred twenty-five million, seven hundred twenty-four thousand, five hundred".
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