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4014211221 = 32446023469
BaseRepresentation
bin1110111101000100…
…0000000010010101
3101100202110001120200
43233101000002111
531210114224341
61502154251113
7201322142466
oct35721000225
911322401520
104014211221
11177aa10339
12940426a99
134bc859017
142a11b2d6d
15187630db6
hexef440095

4014211221 has 6 divisors (see below), whose sum is σ = 5798305110. Its totient is φ = 2676140808.

The previous prime is 4014211189. The next prime is 4014211249. The reversal of 4014211221 is 1221124104.

4014211221 is a `hidden beast` number, since 401 + 42 + 1 + 1 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2726406225 + 1287804996 = 52215^2 + 35886^2 .

It is not a de Polignac number, because 4014211221 - 25 = 4014211189 is a prime.

It is a super-2 number, since 2×40142112212 = 32227783453604621682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4014211194 and 4014211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4014211021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 223011726 + ... + 223011743.

It is an arithmetic number, because the mean of its divisors is an integer number (966384185).

Almost surely, 24014211221 is an apocalyptic number.

It is an amenable number.

4014211221 is a deficient number, since it is larger than the sum of its proper divisors (1784093889).

4014211221 is a wasteful number, since it uses less digits than its factorization.

4014211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446023475 (or 446023472 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 4014211221 is about 63357.8031579379. The cubic root of 4014211221 is about 1589.2787389657.

Adding to 4014211221 its reverse (1221124104), we get a palindrome (5235335325).

The spelling of 4014211221 in words is "four billion, fourteen million, two hundred eleven thousand, two hundred twenty-one".

Divisors: 1 3 9 446023469 1338070407 4014211221