Base | Representation |
---|---|
bin | 100110101111110… |
… | …0100011000110110 |
3 | 10100121101222220220 |
4 | 1031133210120312 |
5 | 10130312334032 |
6 | 333002035210 |
7 | 44134563435 |
oct | 11537443066 |
9 | 3317358826 |
10 | 1300121142 |
11 | 607980291 |
12 | 3034a8b06 |
13 | 17947b168 |
14 | c495311c |
15 | 7921612c |
hex | 4d7e4636 |
1300121142 has 8 divisors (see below), whose sum is σ = 2600242296. Its totient is φ = 433373712.
The previous prime is 1300121129. The next prime is 1300121171. The reversal of 1300121142 is 2411210031.
It is a sphenic number, since it is the product of 3 distinct primes.
1300121142 is an admirable number.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 108343423 + ... + 108343434.
It is an arithmetic number, because the mean of its divisors is an integer number (325030287).
Almost surely, 21300121142 is an apocalyptic number.
1300121142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1300121142 is a wasteful number, since it uses less digits than its factorization.
1300121142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 216686862.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 1300121142 is about 36057.1926527843. The cubic root of 1300121142 is about 1091.4267829098.
Adding to 1300121142 its reverse (2411210031), we get a palindrome (3711331173).
Subtracting 1300121142 from its reverse (2411210031), we obtain a square (1111088889 = 333332).
It can be divided in two parts, 13001 and 21142, that added together give a palindrome (34143).
The spelling of 1300121142 in words is "one billion, three hundred million, one hundred twenty-one thousand, one hundred forty-two".
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