Base | Representation |
---|---|
bin | 1111011111110… |
… | …11010111000101 |
3 | 100001121220112120 |
4 | 13233323113011 |
5 | 231240120141 |
6 | 20522240153 |
7 | 3136006431 |
oct | 757732705 |
9 | 301556476 |
10 | 130004421 |
11 | 67425278 |
12 | 37656059 |
13 | 20c1a7c1 |
14 | 133a19c1 |
15 | b62ec66 |
hex | 7bfb5c5 |
130004421 has 16 divisors (see below), whose sum is σ = 183771648. Its totient is φ = 81604800.
The previous prime is 130004411. The next prime is 130004429. The reversal of 130004421 is 124400031.
It is not a de Polignac number, because 130004421 - 27 = 130004293 is a prime.
It is a super-2 number, since 2×1300044212 = 33802298959090482, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 130004421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130004429) 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 15 ways as a sum of consecutive naturals, for example, 15450 + ... + 22331.
It is an arithmetic number, because the mean of its divisors is an integer number (11485728).
Almost surely, 2130004421 is an apocalyptic number.
It is an amenable number.
130004421 is a deficient number, since it is larger than the sum of its proper divisors (53767227).
130004421 is a wasteful number, since it uses less digits than its factorization.
130004421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37852.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 130004421 is about 11401.9481230183. The cubic root of 130004421 is about 506.5854443805.
Adding to 130004421 its reverse (124400031), we get a palindrome (254404452).
The spelling of 130004421 in words is "one hundred thirty million, four thousand, four hundred twenty-one".
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