Base | Representation |
---|---|
bin | 100100101010101… |
… | …0011000110001111 |
3 | 10011202001201202222 |
4 | 1021111103012033 |
5 | 10004430220030 |
6 | 322030005555 |
7 | 42326355551 |
oct | 11125230617 |
9 | 3152051688 |
10 | 1230320015 |
11 | 581535701 |
12 | 2a40468bb |
13 | 167b7c012 |
14 | b95834d1 |
15 | 730293e5 |
hex | 4955318f |
1230320015 has 8 divisors (see below), whose sum is σ = 1554088560. Its totient is φ = 932452992.
The previous prime is 1230319991. The next prime is 1230320023. The reversal of 1230320015 is 5100230321.
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 1230320015 - 216 = 1230254479 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1230319975 and 1230320002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6475274 + ... + 6475463.
It is an arithmetic number, because the mean of its divisors is an integer number (194261070).
Almost surely, 21230320015 is an apocalyptic number.
1230320015 is a deficient number, since it is larger than the sum of its proper divisors (323768545).
1230320015 is a wasteful number, since it uses less digits than its factorization.
1230320015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12950761.
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 1230320015 is about 35075.9178782252. The cubic root of 1230320015 is about 1071.5341823049.
Adding to 1230320015 its reverse (5100230321), we get a palindrome (6330550336).
The spelling of 1230320015 in words is "one billion, two hundred thirty million, three hundred twenty thousand, fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •