Base | Representation |
---|---|
bin | 1111010110010010… |
… | …1010110000001101 |
3 | 101122010120012221220 |
4 | 3311210222300031 |
5 | 31414211431341 |
6 | 1520454313553 |
7 | 204045451626 |
oct | 36544526015 |
9 | 11563505856 |
10 | 4120030221 |
11 | 182471675a |
12 | 96b9588b9 |
13 | 508759308 |
14 | 2b127aa4d |
15 | 191a84a66 |
hex | f592ac0d |
4120030221 has 4 divisors (see below), whose sum is σ = 5493373632. Its totient is φ = 2746686812.
The previous prime is 4120030193. The next prime is 4120030247. The reversal of 4120030221 is 1220300214.
4120030221 is digitally balanced in base 2 and base 4, because in such bases 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 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 4120030221 - 26 = 4120030157 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 4120030221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4120030021) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686671701 + ... + 686671706.
It is an arithmetic number, because the mean of its divisors is an integer number (1373343408).
Almost surely, 24120030221 is an apocalyptic number.
It is an amenable number.
4120030221 is a deficient number, since it is larger than the sum of its proper divisors (1373343411).
4120030221 is a wasteful number, since it uses less digits than its factorization.
4120030221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1373343410.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 4120030221 is about 64187.4615559768. The cubic root of 4120030221 is about 1603.1228359952.
Adding to 4120030221 its reverse (1220300214), we get a palindrome (5340330435).
The spelling of 4120030221 in words is "four billion, one hundred twenty million, thirty thousand, two hundred twenty-one".
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