Base | Representation |
---|---|
bin | 1101000011110010001000… |
… | …11101110010101111001110 |
3 | 10202200100101000100110012020 |
4 | 12201321010131302233032 |
5 | 12231001012300023432 |
6 | 141024313454351010 |
7 | 6022520315323422 |
oct | 641710435625716 |
9 | 122610330313166 |
10 | 28717300001742 |
11 | 9171a36213270 |
12 | 32797317bb466 |
13 | 1304050536a41 |
14 | 713cd3694b82 |
15 | 34c009a8a22c |
hex | 1a1e44772bce |
28717300001742 has 64 divisors (see below), whose sum is σ = 66397366344960. Its totient is φ = 8197205676800.
The previous prime is 28717300001707. The next prime is 28717300001749. The reversal of 28717300001742 is 24710000371782.
It is a junction number, because it is equal to n+sod(n) for n = 28717300001694 and 28717300001703.
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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182894868 + ... + 183051815.
It is an arithmetic number, because the mean of its divisors is an integer number (1037458849140).
Almost surely, 228717300001742 is an apocalyptic number.
28717300001742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
28717300001742 is an abundant number, since it is smaller than the sum of its proper divisors (37680066343218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28717300001742 is a wasteful number, since it uses less digits than its factorization.
28717300001742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 365946769.
The product of its (nonzero) digits is 131712, while the sum is 42.
The spelling of 28717300001742 in words is "twenty-eight trillion, seven hundred seventeen billion, three hundred million, one thousand, seven hundred forty-two".
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