Base | Representation |
---|---|
bin | 1111101100101111… |
… | …1111000100010001 |
3 | 101212200210201022211 |
4 | 3323023333010101 |
5 | 32112320114441 |
6 | 1534101232121 |
7 | 206301206533 |
oct | 37313770421 |
9 | 11780721284 |
10 | 4214223121 |
11 | 1872901229 |
12 | 997402641 |
13 | 522118864 |
14 | 2bd999853 |
15 | 199e8da81 |
hex | fb2ff111 |
4214223121 has 4 divisors (see below), whose sum is σ = 4220322544. Its totient is φ = 4208123700.
The previous prime is 4214223119. The next prime is 4214223157. The reversal of 4214223121 is 1213224124.
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 4214223121 - 21 = 4214223119 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 4214223092 and 4214223101.
It is not an unprimeable number, because it can be changed into a prime (4214323121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3048675 + ... + 3050056.
It is an arithmetic number, because the mean of its divisors is an integer number (1055080636).
Almost surely, 24214223121 is an apocalyptic number.
It is an amenable number.
4214223121 is a deficient number, since it is larger than the sum of its proper divisors (6099423).
4214223121 is an equidigital number, since it uses as much as digits as its factorization.
4214223121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6099422.
The product of its digits is 768, while the sum is 22.
The square root of 4214223121 is about 64917.0479997358. The cubic root of 4214223121 is about 1615.2478631159.
Adding to 4214223121 its reverse (1213224124), we get a palindrome (5427447245).
The spelling of 4214223121 in words is "four billion, two hundred fourteen million, two hundred twenty-three thousand, one hundred twenty-one".
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