Base | Representation |
---|---|
bin | 1111100000101… |
… | …11110111110001 |
3 | 100001211211201202 |
4 | 13300113313301 |
5 | 231302334301 |
6 | 20524540545 |
7 | 3140004050 |
oct | 760276761 |
9 | 301754652 |
10 | 130121201 |
11 | 674a4a91 |
12 | 376b1755 |
13 | 20c5b9c2 |
14 | 133d2397 |
15 | b65466b |
hex | 7c17df1 |
130121201 has 8 divisors (see below), whose sum is σ = 151516224. Its totient is φ = 109427760.
The previous prime is 130121191. The next prime is 130121207. The reversal of 130121201 is 102121031.
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 130121201 - 222 = 125926897 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130121207) 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 7 ways as a sum of consecutive naturals, for example, 174995 + ... + 175736.
It is an arithmetic number, because the mean of its divisors is an integer number (18939528).
Almost surely, 2130121201 is an apocalyptic number.
It is an amenable number.
130121201 is a deficient number, since it is larger than the sum of its proper divisors (21395023).
130121201 is an equidigital number, since it uses as much as digits as its factorization.
130121201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 350791.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 130121201 is about 11407.0680282008. The cubic root of 130121201 is about 506.7370836936.
Adding to 130121201 its reverse (102121031), we get a palindrome (232242232).
The spelling of 130121201 in words is "one hundred thirty million, one hundred twenty-one thousand, two hundred one".
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