Base | Representation |
---|---|
bin | 111010010000010100… |
… | …0100000001110010001 |
3 | 102221220112121201002022 |
4 | 1310200220200032101 |
5 | 4022201443241431 |
6 | 133245412101225 |
7 | 12016063355366 |
oct | 1644050401621 |
9 | 387815551068 |
10 | 125101540241 |
11 | 49067615887 |
12 | 202b4304815 |
13 | ba490a8832 |
14 | 60aaaba46d |
15 | 33c2cb807b |
hex | 1d20a20391 |
125101540241 has 8 divisors (see below), whose sum is σ = 125488876968. Its totient is φ = 124714800000.
The previous prime is 125101540231. The next prime is 125101540243. The reversal of 125101540241 is 142045101521.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 77270100625 + 47831439616 = 277975^2 + 218704^2 .
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 125101540241 - 210 = 125101539217 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 125101540241.
It is not an unprimeable number, because it can be changed into a prime (125101540243) 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, 272831 + ... + 569771.
It is an arithmetic number, because the mean of its divisors is an integer number (15686109621).
Almost surely, 2125101540241 is an apocalyptic number.
It is an amenable number.
125101540241 is a deficient number, since it is larger than the sum of its proper divisors (387336727).
125101540241 is an equidigital number, since it uses as much as digits as its factorization.
125101540241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 298243.
The product of its (nonzero) digits is 1600, while the sum is 26.
Adding to 125101540241 its reverse (142045101521), we get a palindrome (267146641762).
The spelling of 125101540241 in words is "one hundred twenty-five billion, one hundred one million, five hundred forty thousand, two hundred forty-one".
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