Base | Representation |
---|---|
bin | 1111100011000… |
… | …01001011001010 |
3 | 100002102002121002 |
4 | 13301201023022 |
5 | 231341441300 |
6 | 20535215002 |
7 | 3142364315 |
oct | 761411312 |
9 | 302362532 |
10 | 130421450 |
11 | 6768a625 |
12 | 37817462 |
13 | 21035573 |
14 | 1346d97c |
15 | b6b35d5 |
hex | 7c612ca |
130421450 has 24 divisors (see below), whose sum is σ = 256855212. Its totient is φ = 49099520.
The previous prime is 130421449. The next prime is 130421461. The reversal of 130421450 is 54124031.
It can be written as a sum of positive squares in 6 ways, for example, as 99940009 + 30481441 = 9997^2 + 5521^2 .
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 75869 + ... + 77568.
Almost surely, 2130421450 is an apocalyptic number.
130421450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130421450 is a deficient number, since it is larger than the sum of its proper divisors (126433762).
130421450 is a wasteful number, since it uses less digits than its factorization.
130421450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153466 (or 153461 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 130421450 is about 11420.2211011871. The cubic root of 130421450 is about 507.1265422057.
Adding to 130421450 its reverse (54124031), we get a palindrome (184545481).
The spelling of 130421450 in words is "one hundred thirty million, four hundred twenty-one thousand, four hundred fifty".
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