Base | Representation |
---|---|
bin | 10011001100001101… |
… | …11100001101101001 |
3 | 222121000222011022012 |
4 | 21212012330031221 |
5 | 132100033430441 |
6 | 4422205405305 |
7 | 513214211456 |
oct | 114606741551 |
9 | 28530864265 |
10 | 10303030121 |
11 | 440787902a |
12 | 1bb6569835 |
13 | c82709537 |
14 | 6da4c482d |
15 | 4047b99eb |
hex | 2661bc369 |
10303030121 has 4 divisors (see below), whose sum is σ = 10325092752. Its totient is φ = 10280967492.
The previous prime is 10303030109. The next prime is 10303030139. The reversal of 10303030121 is 12103030301.
10303030121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 10303030121 - 222 = 10298835817 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10303030096 and 10303030105.
It is not an unprimeable number, because it can be changed into a prime (10303030151) 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 in 3 ways as a sum of consecutive naturals, for example, 11030615 + ... + 11031548.
It is an arithmetic number, because the mean of its divisors is an integer number (2581273188).
Almost surely, 210303030121 is an apocalyptic number.
It is an amenable number.
10303030121 is a deficient number, since it is larger than the sum of its proper divisors (22062631).
10303030121 is an equidigital number, since it uses as much as digits as its factorization.
10303030121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22062630.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 10303030121 its reverse (12103030301), we get a palindrome (22406060422).
The spelling of 10303030121 in words is "ten billion, three hundred three million, thirty thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •