Base | Representation |
---|---|
bin | 1111101110011010… |
… | …1001001001011110 |
3 | 101220011221202012200 |
4 | 3323212221021132 |
5 | 32121112224410 |
6 | 1534511112330 |
7 | 206414463165 |
oct | 37346511136 |
9 | 11804852180 |
10 | 4221211230 |
11 | 1876844525 |
12 | 9998126a6 |
13 | 5236c4532 |
14 | 2c08983dc |
15 | 19a8be3c0 |
hex | fb9a925e |
4221211230 has 96 divisors (see below), whose sum is σ = 11302301088. Its totient is φ = 1092268800.
The previous prime is 4221211219. The next prime is 4221211237. The reversal of 4221211230 is 321121224.
It is a happy number.
4221211230 is a `hidden beast` number, since 4 + 221 + 211 + 230 = 666.
It is a super-2 number, since 2×42212112302 = 35637248496556225800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4221211237) 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 47 ways as a sum of consecutive naturals, for example, 1400425 + ... + 1403435.
It is an arithmetic number, because the mean of its divisors is an integer number (117732303).
Almost surely, 24221211230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 4221211230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5651150544).
4221211230 is an abundant number, since it is smaller than the sum of its proper divisors (7081089858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4221211230 is a wasteful number, since it uses less digits than its factorization.
4221211230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3482 (or 3479 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 4221211230 is about 64970.8490786445. The cubic root of 4221211230 is about 1616.1401821728.
Adding to 4221211230 its reverse (321121224), we get a palindrome (4542332454).
The spelling of 4221211230 in words is "four billion, two hundred twenty-one million, two hundred eleven thousand, two hundred thirty".
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