Base | Representation |
---|---|
bin | 10011000011110001… |
… | …10100100111011001 |
3 | 222102002201122020121 |
4 | 21201320310213121 |
5 | 131423422020441 |
6 | 4411155553241 |
7 | 511364302354 |
oct | 114170644731 |
9 | 28362648217 |
10 | 10232220121 |
11 | 4380904472 |
12 | 1b968bb821 |
13 | c70b46126 |
14 | 6d0d3129b |
15 | 3ed47ddd1 |
hex | 261e349d9 |
10232220121 has 8 divisors (see below), whose sum is σ = 10427943240. Its totient is φ = 10036595712.
The previous prime is 10232220109. The next prime is 10232220161. The reversal of 10232220121 is 12102223201.
It is a happy number.
10232220121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 2082644496 + 8149575625 = 45636^2 + 90275^2 .
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 10232220121 - 227 = 10098002393 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10232220095 and 10232220104.
It is not an unprimeable number, because it can be changed into a prime (10232220161) 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 7 ways as a sum of consecutive naturals, for example, 204811 + ... + 249823.
It is an arithmetic number, because the mean of its divisors is an integer number (1303492905).
Almost surely, 210232220121 is an apocalyptic number.
It is an amenable number.
10232220121 is a deficient number, since it is larger than the sum of its proper divisors (195723119).
10232220121 is an equidigital number, since it uses as much as digits as its factorization.
10232220121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49355.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 10232220121 its reverse (12102223201), we get a palindrome (22334443322).
The spelling of 10232220121 in words is "ten billion, two hundred thirty-two million, two hundred twenty thousand, one hundred twenty-one".
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