Base | Representation |
---|---|
bin | 1111010110000… |
… | …00000110001111 |
3 | 22222012022011222 |
4 | 13223000012033 |
5 | 230422304403 |
6 | 20434433555 |
7 | 3122020601 |
oct | 753000617 |
9 | 288168158 |
10 | 128713103 |
11 | 66723072 |
12 | 371328bb |
13 | 20887acc |
14 | 13147171 |
15 | b477338 |
hex | 7ac018f |
128713103 has 8 divisors (see below), whose sum is σ = 137359872. Its totient is φ = 120185856.
The previous prime is 128713099. The next prime is 128713141. The reversal of 128713103 is 301317821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 128713103 - 22 = 128713099 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 (128713303) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 27650 + ... + 31967.
It is an arithmetic number, because the mean of its divisors is an integer number (17169984).
Almost surely, 2128713103 is an apocalyptic number.
128713103 is a deficient number, since it is larger than the sum of its proper divisors (8646769).
128713103 is a wasteful number, since it uses less digits than its factorization.
128713103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59761.
The product of its (nonzero) digits is 1008, while the sum is 26.
The square root of 128713103 is about 11345.1797253283. The cubic root of 128713103 is about 504.9025763768.
The spelling of 128713103 in words is "one hundred twenty-eight million, seven hundred thirteen thousand, one hundred three".
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