Base | Representation |
---|---|
bin | 1111100000111… |
… | …10011011101110 |
3 | 100001220012121012 |
4 | 13300132123232 |
5 | 231304214303 |
6 | 20525305222 |
7 | 3140145314 |
oct | 760363356 |
9 | 301805535 |
10 | 130148078 |
11 | 675131a5 |
12 | 37705212 |
13 | 20c6acc8 |
14 | 133dc0b4 |
15 | b65c5d8 |
hex | 7c1e6ee |
130148078 has 4 divisors (see below), whose sum is σ = 195222120. Its totient is φ = 65074038.
The previous prime is 130148077. The next prime is 130148087. The reversal of 130148078 is 870841031.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130148077) 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 as a sum of consecutive naturals, namely, 32537018 + ... + 32537021.
It is an arithmetic number, because the mean of its divisors is an integer number (48805530).
Almost surely, 2130148078 is an apocalyptic number.
130148078 is a deficient number, since it is larger than the sum of its proper divisors (65074042).
130148078 is an equidigital number, since it uses as much as digits as its factorization.
130148078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65074041.
The product of its (nonzero) digits is 5376, while the sum is 32.
The square root of 130148078 is about 11408.2460527462. The cubic root of 130148078 is about 506.7719707447.
The spelling of 130148078 in words is "one hundred thirty million, one hundred forty-eight thousand, seventy-eight".
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