Base | Representation |
---|---|
bin | 111100101001011101… |
… | …1010100110000101001 |
3 | 110110011200002212011101 |
4 | 1321102323110300221 |
5 | 4113213004131441 |
6 | 135455341401401 |
7 | 12260322205426 |
oct | 1712273246051 |
9 | 413150085141 |
10 | 130240302121 |
11 | 50264289726 |
12 | 212a9269261 |
13 | c387900037 |
14 | 643737cd4d |
15 | 35c3ece231 |
hex | 1e52ed4c29 |
130240302121 has 4 divisors (see below), whose sum is σ = 130251193744. Its totient is φ = 130229410500.
The previous prime is 130240302103. The next prime is 130240302151. The reversal of 130240302121 is 121203042031.
It is a happy number.
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: 121203042031 = 199501 ⋅607531.
It is a cyclic number.
It is not a de Polignac number, because 130240302121 - 213 = 130240293929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130240302151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5427855 + ... + 5451796.
It is an arithmetic number, because the mean of its divisors is an integer number (32562798436).
Almost surely, 2130240302121 is an apocalyptic number.
It is an amenable number.
130240302121 is a deficient number, since it is larger than the sum of its proper divisors (10891623).
130240302121 is a wasteful number, since it uses less digits than its factorization.
130240302121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10891622.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 130240302121 its reverse (121203042031), we get a palindrome (251443344152).
The spelling of 130240302121 in words is "one hundred thirty billion, two hundred forty million, three hundred two thousand, one hundred twenty-one".
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