Base | Representation |
---|---|
bin | 1111010001001… |
… | …11001001001111 |
3 | 22221000110210102 |
4 | 13220213021033 |
5 | 230242232412 |
6 | 20413201315 |
7 | 3113501225 |
oct | 750471117 |
9 | 287013712 |
10 | 128086607 |
11 | 66335400 |
12 | 36a9023b |
13 | 206c88bc |
14 | 13022b15 |
15 | b3a18c2 |
hex | 7a2724f |
128086607 has 6 divisors (see below), whose sum is σ = 140789544. Its totient is φ = 116442260.
The previous prime is 128086601. The next prime is 128086613. The reversal of 128086607 is 706680821.
It is an interprime number because it is at equal distance from previous prime (128086601) and next prime (128086613).
It is not a de Polignac number, because 128086607 - 28 = 128086351 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128086601) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 529163 + ... + 529404.
It is an arithmetic number, because the mean of its divisors is an integer number (23464924).
Almost surely, 2128086607 is an apocalyptic number.
128086607 is a deficient number, since it is larger than the sum of its proper divisors (12702937).
128086607 is a wasteful number, since it uses less digits than its factorization.
128086607 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1058589 (or 1058578 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 38.
The square root of 128086607 is about 11317.5353765738. The cubic root of 128086607 is about 504.0820588967.
The spelling of 128086607 in words is "one hundred twenty-eight million, eighty-six thousand, six hundred seven".
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