Base | Representation |
---|---|
bin | 1101000111111101010101… |
… | …00110011001101111100111 |
3 | 10210012001122010001010101120 |
4 | 12203332222212121233213 |
5 | 12240323302322033323 |
6 | 141214235551225023 |
7 | 6036056140501260 |
oct | 643765246315747 |
9 | 123161563033346 |
10 | 28860747455463 |
11 | 92178575a4410 |
12 | 32a14a5b18173 |
13 | 13147313c7c81 |
14 | 71ac20ac3967 |
15 | 350b032895e3 |
hex | 1a3faa999be7 |
28860747455463 has 128 divisors (see below), whose sum is σ = 49901063675904. Its totient is φ = 14401683878400.
The previous prime is 28860747455377. The next prime is 28860747455473. The reversal of 28860747455463 is 36455474706882.
It is a happy number.
It is not a de Polignac number, because 28860747455463 - 213 = 28860747447271 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28860747455473) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1086079645 + ... + 1086106217.
It is an arithmetic number, because the mean of its divisors is an integer number (389852059968).
Almost surely, 228860747455463 is an apocalyptic number.
28860747455463 is a deficient number, since it is larger than the sum of its proper divisors (21040316220441).
28860747455463 is a wasteful number, since it uses less digits than its factorization.
28860747455463 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28245.
The product of its (nonzero) digits is 1083801600, while the sum is 69.
The spelling of 28860747455463 in words is "twenty-eight trillion, eight hundred sixty billion, seven hundred forty-seven million, four hundred fifty-five thousand, four hundred sixty-three".
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