Base | Representation |
---|---|
bin | 1111100000111… |
… | …10010001101110 |
3 | 100001220011201111 |
4 | 13300132101232 |
5 | 231304204223 |
6 | 20525302234 |
7 | 3140143411 |
oct | 760362156 |
9 | 301804644 |
10 | 130147438 |
11 | 67512773 |
12 | 3770497a |
13 | 20c6a925 |
14 | 133dbb78 |
15 | b65c30d |
hex | 7c1e46e |
130147438 has 4 divisors (see below), whose sum is σ = 195221160. Its totient is φ = 65073718.
The previous prime is 130147399. The next prime is 130147439. The reversal of 130147438 is 834741031.
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 (130147439) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32536858 + ... + 32536861.
It is an arithmetic number, because the mean of its divisors is an integer number (48805290).
Almost surely, 2130147438 is an apocalyptic number.
130147438 is a deficient number, since it is larger than the sum of its proper divisors (65073722).
130147438 is an equidigital number, since it uses as much as digits as its factorization.
130147438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65073721.
The product of its (nonzero) digits is 8064, while the sum is 31.
The square root of 130147438 is about 11408.2180028259. The cubic root of 130147438 is about 506.7711400638.
Adding to 130147438 its reverse (834741031), we get a palindrome (964888469).
The spelling of 130147438 in words is "one hundred thirty million, one hundred forty-seven thousand, four hundred thirty-eight".
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