Base | Representation |
---|---|
bin | 111110101011001… |
… | …1001001000101001 |
3 | 12102120012121000012 |
4 | 1331112121020221 |
5 | 13301333201441 |
6 | 544403021305 |
7 | 103054251554 |
oct | 17526311051 |
9 | 5376177005 |
10 | 2103022121 |
11 | 98a112712 |
12 | 4a836a835 |
13 | 2769085b5 |
14 | 15d43569b |
15 | c49629eb |
hex | 7d599229 |
2103022121 has 8 divisors (see below), whose sum is σ = 2109966144. Its totient is φ = 2096090640.
The previous prime is 2103022099. The next prime is 2103022127. The reversal of 2103022121 is 1212203012.
It is a happy number.
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 2103022121 - 26 = 2103022057 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2103022096 and 2103022105.
It is not an unprimeable number, because it can be changed into a prime (2103022127) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421775 + ... + 426731.
It is an arithmetic number, because the mean of its divisors is an integer number (263745768).
Almost surely, 22103022121 is an apocalyptic number.
It is an amenable number.
2103022121 is a deficient number, since it is larger than the sum of its proper divisors (6944023).
2103022121 is an equidigital number, since it uses as much as digits as its factorization.
2103022121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6271.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 2103022121 is about 45858.7191382402. The cubic root of 2103022121 is about 1281.1931666053.
Adding to 2103022121 its reverse (1212203012), we get a palindrome (3315225133).
The spelling of 2103022121 in words is "two billion, one hundred three million, twenty-two thousand, one hundred twenty-one".
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