Base | Representation |
---|---|
bin | 11101111011111001001… |
… | …01001011100100000000 |
3 | 10122022222000110222221010 |
4 | 32331330211023210000 |
5 | 113323021322231331 |
6 | 2104305415400520 |
7 | 134212231560132 |
oct | 16757445134400 |
9 | 3568860428833 |
10 | 1028587305216 |
11 | 36724879a479 |
12 | 14741b983140 |
13 | 75cc2a88b63 |
14 | 37ad8dd7052 |
15 | 1bb5133de46 |
hex | ef7c94b900 |
1028587305216 has 36 divisors (see below), whose sum is σ = 2737542257072. Its totient is φ = 342862434816.
The previous prime is 1028587305199. The next prime is 1028587305233. The reversal of 1028587305216 is 6125037858201.
1028587305216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (1028587305199) and next prime (1028587305233).
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669652426 + ... + 669653961.
Almost surely, 21028587305216 is an apocalyptic number.
1028587305216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
1028587305216 is an abundant number, since it is smaller than the sum of its proper divisors (1708954951856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1028587305216 is an equidigital number, since it uses as much as digits as its factorization.
1028587305216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1339306406 (or 1339306392 counting only the distinct ones).
The product of its (nonzero) digits is 806400, while the sum is 48.
The spelling of 1028587305216 in words is "one trillion, twenty-eight billion, five hundred eighty-seven million, three hundred five thousand, two hundred sixteen".
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