Base | Representation |
---|---|
bin | 110000000100011111… |
… | …1101100110001111001 |
3 | 100212110021201000102002 |
4 | 1200020333230301321 |
5 | 3142403403200241 |
6 | 115231231550345 |
7 | 10313065431662 |
oct | 1401077546171 |
9 | 325407630362 |
10 | 103230131321 |
11 | 3a863799619 |
12 | 1800b68b3b5 |
13 | 9971a9ac55 |
14 | 4dd4050369 |
15 | 2a42ada89b |
hex | 1808fecc79 |
103230131321 has 8 divisors (see below), whose sum is σ = 105756926184. Its totient is φ = 100703764480.
The previous prime is 103230131311. The next prime is 103230131341. The reversal of 103230131321 is 123131032301.
It can be written as a sum of positive squares in 4 ways, for example, as 817330921 + 102412800400 = 28589^2 + 320020^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-103230131321 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 103230131293 and 103230131302.
It is not an unprimeable number, because it can be changed into a prime (103230131311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411641 + ... + 613113.
It is an arithmetic number, because the mean of its divisors is an integer number (13219615773).
Almost surely, 2103230131321 is an apocalyptic number.
It is an amenable number.
103230131321 is a deficient number, since it is larger than the sum of its proper divisors (2526794863).
103230131321 is a wasteful number, since it uses less digits than its factorization.
103230131321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 214011.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 103230131321 its reverse (123131032301), we get a palindrome (226361163622).
The spelling of 103230131321 in words is "one hundred three billion, two hundred thirty million, one hundred thirty-one thousand, three hundred twenty-one".
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