Base | Representation |
---|---|
bin | 1111010001101… |
… | …10010000111000 |
3 | 22221010121202002 |
4 | 13220312100320 |
5 | 230301223121 |
6 | 20414400132 |
7 | 3114146615 |
oct | 750662070 |
9 | 287117662 |
10 | 128148536 |
11 | 6637798a |
12 | 36b00048 |
13 | 2071ab49 |
14 | 1303b50c |
15 | b3b4e0b |
hex | 7a36438 |
128148536 has 16 divisors (see below), whose sum is σ = 240800040. Its totient is φ = 63935200.
The previous prime is 128148491. The next prime is 128148569. The reversal of 128148536 is 635841821.
It is a self number, because there is not a number n which added to its sum of digits gives 128148536.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13415 + ... + 20886.
Almost surely, 2128148536 is an apocalyptic number.
It is an amenable number.
128148536 is a deficient number, since it is larger than the sum of its proper divisors (112651504).
128148536 is a wasteful number, since it uses less digits than its factorization.
128148536 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34774 (or 34770 counting only the distinct ones).
The product of its digits is 46080, while the sum is 38.
The square root of 128148536 is about 11320.2710214906. The cubic root of 128148536 is about 504.1632858852.
The spelling of 128148536 in words is "one hundred twenty-eight million, one hundred forty-eight thousand, five hundred thirty-six".
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