Base | Representation |
---|---|
bin | 10010110100011001… |
… | …01100110010011101 |
3 | 222002002222102000222 |
4 | 21122030230302131 |
5 | 131142410310323 |
6 | 4350310531125 |
7 | 505236616052 |
oct | 113214546235 |
9 | 28062872028 |
10 | 10103213213 |
11 | 4315000695 |
12 | 1b5b666aa5 |
13 | c501b7692 |
14 | 6bbb4d029 |
15 | 3e1e999c8 |
hex | 25a32cc9d |
10103213213 has 4 divisors (see below), whose sum is σ = 10241613468. Its totient is φ = 9964812960.
The previous prime is 10103213207. The next prime is 10103213231. The reversal of 10103213213 is 31231230101.
10103213213 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 an emirpimes, since its reverse is a distinct semiprime: 31231230101 = 29 ⋅1076938969.
It can be written as a sum of positive squares in 2 ways, for example, as 4799441284 + 5303771929 = 69278^2 + 72827^2 .
It is a cyclic number.
It is not a de Polignac number, because 10103213213 - 26 = 10103213149 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10103213191 and 10103213200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10103203213) 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, 69200018 + ... + 69200163.
It is an arithmetic number, because the mean of its divisors is an integer number (2560403367).
Almost surely, 210103213213 is an apocalyptic number.
It is an amenable number.
10103213213 is a deficient number, since it is larger than the sum of its proper divisors (138400255).
10103213213 is an equidigital number, since it uses as much as digits as its factorization.
10103213213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138400254.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 10103213213 its reverse (31231230101), we get a palindrome (41334443314).
The spelling of 10103213213 in words is "ten billion, one hundred three million, two hundred thirteen thousand, two hundred thirteen".
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