Base | Representation |
---|---|
bin | 1111100000100… |
… | …11011101010001 |
3 | 100001210220221010 |
4 | 13300103131101 |
5 | 231301244441 |
6 | 20524321133 |
7 | 3136600251 |
oct | 760233521 |
9 | 301726833 |
10 | 130103121 |
11 | 67492445 |
12 | 376a31a9 |
13 | 20c536c5 |
14 | 133c9961 |
15 | b64e116 |
hex | 7c13751 |
130103121 has 4 divisors (see below), whose sum is σ = 173470832. Its totient is φ = 86735412.
The previous prime is 130103117. The next prime is 130103123. The reversal of 130103121 is 121301031.
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.
It is not a de Polignac number, because 130103121 - 22 = 130103117 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130103097 and 130103106.
It is not an unprimeable number, because it can be changed into a prime (130103123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21683851 + ... + 21683856.
It is an arithmetic number, because the mean of its divisors is an integer number (43367708).
Almost surely, 2130103121 is an apocalyptic number.
It is an amenable number.
130103121 is a deficient number, since it is larger than the sum of its proper divisors (43367711).
130103121 is an equidigital number, since it uses as much as digits as its factorization.
130103121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43367710.
The product of its (nonzero) digits is 18, while the sum is 12.
The square root of 130103121 is about 11406.2755095605. The cubic root of 130103121 is about 506.7136126764.
Adding to 130103121 its reverse (121301031), we get a palindrome (251404152).
The spelling of 130103121 in words is "one hundred thirty million, one hundred three thousand, one hundred twenty-one".
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