Base | Representation |
---|---|
bin | 111111001111101… |
… | …0100101000111111 |
3 | 12110220011220010001 |
4 | 1332133110220333 |
5 | 13321231441343 |
6 | 550324455131 |
7 | 103405615510 |
oct | 17637245077 |
9 | 5426156101 |
10 | 2122140223 |
11 | 9999903a5 |
12 | 4b284a4a7 |
13 | 27a870498 |
14 | 161bb0a07 |
15 | c648c44d |
hex | 7e7d4a3f |
2122140223 has 8 divisors (see below), whose sum is σ = 2425835520. Its totient is φ = 1818578040.
The previous prime is 2122140211. The next prime is 2122140233. The reversal of 2122140223 is 3220412212.
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 2122140223 - 225 = 2088585791 is a prime.
It is a super-3 number, since 3×21221402233 (a number of 29 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2122140223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2122140203) 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, 3618 + ... + 65248.
It is an arithmetic number, because the mean of its divisors is an integer number (303229440).
Almost surely, 22122140223 is an apocalyptic number.
2122140223 is a deficient number, since it is larger than the sum of its proper divisors (303695297).
2122140223 is an equidigital number, since it uses as much as digits as its factorization.
2122140223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66557.
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 2122140223 is about 46066.6932066976. The cubic root of 2122140223 is about 1285.0638076387.
Adding to 2122140223 its reverse (3220412212), we get a palindrome (5342552435).
The spelling of 2122140223 in words is "two billion, one hundred twenty-two million, one hundred forty thousand, two hundred twenty-three".
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