Base | Representation |
---|---|
bin | 1101001011111111000000… |
… | …00111111111011111011100 |
3 | 10210200021201001102101011220 |
4 | 12211333200013333133130 |
5 | 12300110111102003443 |
6 | 141401555004213340 |
7 | 6052054226255121 |
oct | 645774007773734 |
9 | 123607631371156 |
10 | 28999084406748 |
11 | 9270496163425 |
12 | 330427283a250 |
13 | 13247a957a671 |
14 | 7237c54c8748 |
15 | 3544ecea5a83 |
hex | 1a5fe01ff7dc |
28999084406748 has 24 divisors (see below), whose sum is σ = 69314884680720. Its totient is φ = 9430596554880.
The previous prime is 28999084406729. The next prime is 28999084406779. The reversal of 28999084406748 is 84760448099982.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29470613743 + ... + 29470614726.
It is an arithmetic number, because the mean of its divisors is an integer number (2888120195030).
Almost surely, 228999084406748 is an apocalyptic number.
It is an amenable number.
28999084406748 is an abundant number, since it is smaller than the sum of its proper divisors (40315800273972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28999084406748 is a wasteful number, since it uses less digits than its factorization.
28999084406748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58941228517 (or 58941228515 counting only the distinct ones).
The product of its (nonzero) digits is 2006581248, while the sum is 78.
The spelling of 28999084406748 in words is "twenty-eight trillion, nine hundred ninety-nine billion, eighty-four million, four hundred six thousand, seven hundred forty-eight".
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