Base | Representation |
---|---|
bin | 10010110111011100… |
… | …00111000000111001 |
3 | 222010220000202000002 |
4 | 21123232013000321 |
5 | 131220424423401 |
6 | 4353022122345 |
7 | 505666641206 |
oct | 113356070071 |
9 | 28126022002 |
10 | 10128748601 |
11 | 4328461814 |
12 | 1b681203b5 |
13 | c5558848a |
14 | 6c12b8cad |
15 | 3e4340a6b |
hex | 25bb87039 |
10128748601 has 4 divisors (see below), whose sum is σ = 10271407104. Its totient is φ = 9986090100.
The previous prime is 10128748571. The next prime is 10128748607. The reversal of 10128748601 is 10684782101.
It is a happy number.
10128748601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10684782101 = 7 ⋅1526397443.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10128748601 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10128748607) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71329145 + ... + 71329286.
It is an arithmetic number, because the mean of its divisors is an integer number (2567851776).
Almost surely, 210128748601 is an apocalyptic number.
It is an amenable number.
10128748601 is a deficient number, since it is larger than the sum of its proper divisors (142658503).
10128748601 is an equidigital number, since it uses as much as digits as its factorization.
10128748601 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142658502.
The product of its (nonzero) digits is 21504, while the sum is 38.
The spelling of 10128748601 in words is "ten billion, one hundred twenty-eight million, seven hundred forty-eight thousand, six hundred one".
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