Base | Representation |
---|---|
bin | 1101000011110010001000… |
… | …11101110010101111010100 |
3 | 10202200100101000100110012110 |
4 | 12201321010131302233110 |
5 | 12231001012300023443 |
6 | 141024313454351020 |
7 | 6022520315323431 |
oct | 641710435625724 |
9 | 122610330313173 |
10 | 28717300001748 |
11 | 9171a36213276 |
12 | 32797317bb470 |
13 | 1304050536a47 |
14 | 713cd3694b88 |
15 | 34c009a8a233 |
hex | 1a1e44772bd4 |
28717300001748 has 12 divisors (see below), whose sum is σ = 67007033337440. Its totient is φ = 9572433333912.
The previous prime is 28717300001707. The next prime is 28717300001749. The reversal of 28717300001748 is 84710000371782.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 28717300001697 and 28717300001706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28717300001749) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196554166728 + ... + 1196554166751.
Almost surely, 228717300001748 is an apocalyptic number.
It is an amenable number.
28717300001748 is an abundant number, since it is smaller than the sum of its proper divisors (38289733335692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28717300001748 is a wasteful number, since it uses less digits than its factorization.
28717300001748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2393108333486 (or 2393108333484 counting only the distinct ones).
The product of its (nonzero) digits is 526848, while the sum is 48.
The spelling of 28717300001748 in words is "twenty-eight trillion, seven hundred seventeen billion, three hundred million, one thousand, seven hundred forty-eight".
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